diff --git a/README.md b/README.md
index 23e7cb5c48..0db94d2ded 100644
--- a/README.md
+++ b/README.md
@@ -380,13 +380,13 @@ This creates `~/.picoclaw/config.json` and the workspace directory.
 {
   "agents": {
     "defaults": {
-      "model_name": "gpt-5.4"
+      "model_name": "gpt-5.6-terra"
     }
   },
   "model_list": [
     {
-      "model_name": "gpt-5.4",
-      "model": "openai/gpt-5.4"
+      "model_name": "gpt-5.6-terra",
+      "model": "openai/gpt-5.6-terra"
       // api_key is now loaded from .security.yml
     }
   ]
diff --git a/cmd/picoclaw/internal/auth/helpers.go b/cmd/picoclaw/internal/auth/helpers.go
index 10bb3a11cb..6664c20202 100644
--- a/cmd/picoclaw/internal/auth/helpers.go
+++ b/cmd/picoclaw/internal/auth/helpers.go
@@ -18,7 +18,7 @@ import (
 
 const (
 	supportedProvidersMsg = "supported providers: openai, anthropic, google-antigravity, antigravity"
-	defaultAnthropicModel = "claude-sonnet-4.6"
+	defaultAnthropicModel = "claude-sonnet-5"
 )
 
 func authLoginCmd(provider string, useDeviceCode bool, useOauth bool, noBrowser bool) error {
@@ -69,14 +69,14 @@ func authLoginOpenAI(useDeviceCode bool, noBrowser bool) error {
 		// If no openai in ModelList, add it
 		if !foundOpenAI {
 			appCfg.ModelList = append(appCfg.ModelList, &config.ModelConfig{
-				ModelName:  "gpt-5.4",
-				Model:      "openai/gpt-5.4",
+				ModelName:  "gpt-5.6-terra",
+				Model:      "openai/gpt-5.6-terra",
 				AuthMethod: "oauth",
 			})
 		}
 
 		// Update default model to use OpenAI
-		appCfg.Agents.Defaults.ModelName = "gpt-5.4"
+		appCfg.Agents.Defaults.ModelName = "gpt-5.6-terra"
 
 		if err = config.SaveConfig(internal.GetConfigPath(), appCfg); err != nil {
 			return fmt.Errorf("could not update config: %w", err)
@@ -87,7 +87,7 @@ func authLoginOpenAI(useDeviceCode bool, noBrowser bool) error {
 	if cred.AccountID != "" {
 		fmt.Printf("Account: %s\n", cred.AccountID)
 	}
-	fmt.Println("Default model set to: gpt-5.4")
+	fmt.Println("Default model set to: gpt-5.6-terra")
 
 	return nil
 }
@@ -308,13 +308,13 @@ func authLoginPasteToken(provider string) error {
 			}
 			if !found {
 				appCfg.ModelList = append(appCfg.ModelList, &config.ModelConfig{
-					ModelName:  "gpt-5.4",
-					Model:      "openai/gpt-5.4",
+					ModelName:  "gpt-5.6-terra",
+					Model:      "openai/gpt-5.6-terra",
 					AuthMethod: "token",
 				})
 			}
 			// Update default model
-			appCfg.Agents.Defaults.ModelName = "gpt-5.4"
+			appCfg.Agents.Defaults.ModelName = "gpt-5.6-terra"
 		}
 		if err := config.SaveConfig(internal.GetConfigPath(), appCfg); err != nil {
 			return fmt.Errorf("could not update config: %w", err)
diff --git a/cmd/picoclaw/internal/model/command.go b/cmd/picoclaw/internal/model/command.go
index c412993a0b..8958acdc95 100644
--- a/cmd/picoclaw/internal/model/command.go
+++ b/cmd/picoclaw/internal/model/command.go
@@ -29,7 +29,7 @@ available list online and pick one), use the 'add' subcommand:
 Examples:
   picoclaw model                    # Show current default model
   picoclaw model gpt-5.2           # Set gpt-5.2 as default
-  picoclaw model claude-sonnet-4.6 # Set claude-sonnet-4.6 as default
+  picoclaw model claude-sonnet-5   # Set claude-sonnet-5 as default
   picoclaw model local-model       # Set local VLLM server as default
   picoclaw model add -b URL -k KEY # Add a model from a custom endpoint
 
diff --git a/cmd/picoclaw/internal/status/helpers_test.go b/cmd/picoclaw/internal/status/helpers_test.go
index f037b6bfa8..0b76c13324 100644
--- a/cmd/picoclaw/internal/status/helpers_test.go
+++ b/cmd/picoclaw/internal/status/helpers_test.go
@@ -48,7 +48,7 @@ func TestStatusCmd_RecognizesProviderFieldWithoutModelPrefix(t *testing.T) {
 	cfg := &config.Config{
 		Agents: config.AgentsConfig{
 			Defaults: config.AgentDefaults{
-				ModelName:   "gpt-5.4",
+				ModelName:   "gpt-5.6-terra",
 				Workspace:   workspace,
 				Provider:    "openai",
 				MaxTokens:   65536,
@@ -57,9 +57,9 @@ func TestStatusCmd_RecognizesProviderFieldWithoutModelPrefix(t *testing.T) {
 		},
 		ModelList: []*config.ModelConfig{
 			{
-				ModelName: "gpt-5.4",
+				ModelName: "gpt-5.6-terra",
 				Provider:  "openai",
-				Model:     "gpt-5.4",
+				Model:     "gpt-5.6-terra",
 				APIBase:   "https://api.openai.com/v1",
 				APIKeys:   config.SimpleSecureStrings("test-key"),
 				Enabled:   true,
diff --git a/config/config.example.json b/config/config.example.json
index de12d84cce..694ea676fc 100644
--- a/config/config.example.json
+++ b/config/config.example.json
@@ -4,7 +4,7 @@
     "defaults": {
       "workspace": "~/.picoclaw/workspace",
       "restrict_to_workspace": true,
-      "model_name": "gpt-5.4",
+      "model_name": "gpt-5.6-terra",
       "max_tokens": 8192,
       "context_window": 131072,
       "temperature": 0.7,
@@ -32,22 +32,22 @@
   },
   "model_list": [
     {
-      "model_name": "gpt-5.4",
-      "model": "openai/gpt-5.4",
+      "model_name": "gpt-5.6-terra",
+      "model": "openai/gpt-5.6-terra",
       "api_keys": ["sk-your-openai-key"],
       "api_base": "https://api.openai.com/v1"
     },
     {
-      "model_name": "claude-sonnet-4.6",
-      "model": "anthropic/claude-sonnet-4.6",
+      "model_name": "claude-sonnet-5",
+      "model": "anthropic/claude-sonnet-5",
       "api_keys": ["sk-ant-your-key"],
       "api_base": "https://api.anthropic.com/v1",
       "thinking_level": "high"
     },
     {
       "_comment": "Anthropic Messages API - use native format for direct Anthropic API access",
-      "model_name": "claude-opus-4-6",
-      "model": "anthropic-messages/claude-opus-4-6",
+      "model_name": "claude-opus-4-8",
+      "model": "anthropic-messages/claude-opus-4-8",
       "api_keys": ["sk-ant-your-key"],
       "api_base": "https://api.anthropic.com"
     },
@@ -59,7 +59,7 @@
     },
     {
       "model_name": "deepseek",
-      "model": "deepseek/deepseek-chat",
+      "model": "deepseek/deepseek-v4-flash",
       "api_keys": ["sk-your-deepseek-key"]
     },
     {
@@ -78,7 +78,7 @@
     },
     {
       "model_name": "longcat",
-      "model": "longcat/LongCat-Flash-Thinking",
+      "model": "longcat/LongCat-2.0",
       "api_keys": ["your-longcat-api-key"]
     },
     {
@@ -94,14 +94,14 @@
       "api_base": "https://your-resource.openai.azure.com"
     },
     {
-      "model_name": "loadbalanced-gpt-5.4",
-      "model": "openai/gpt-5.4",
+      "model_name": "loadbalanced-gpt-5.6-terra",
+      "model": "openai/gpt-5.6-terra",
       "api_keys": ["sk-key1"],
       "api_base": "https://api1.example.com/v1"
     },
     {
-      "model_name": "loadbalanced-gpt-5.4",
-      "model": "openai/gpt-5.4",
+      "model_name": "loadbalanced-gpt-5.6-terra",
+      "model": "openai/gpt-5.6-terra",
       "api_keys": ["sk-key2"],
       "api_base": "https://api2.example.com/v1"
     }
diff --git a/docs/design/provider-refactoring.md b/docs/design/provider-refactoring.md
index e754a63911..8a5017ed71 100644
--- a/docs/design/provider-refactoring.md
+++ b/docs/design/provider-refactoring.md
@@ -49,7 +49,7 @@ Each OpenAI-compatible Provider requires:
   "agents": {
     "defaults": {
       "provider": "deepseek",  // need to know provider name
-      "model": "deepseek-chat"
+      "model": "deepseek-v4-flash"
     }
   }
 }
@@ -66,7 +66,7 @@ Problem: Agent needs to know both `provider` and `model`, adding complexity.
 Inspired by [LiteLLM](https://docs.litellm.ai/docs/proxy/configs) design:
 
 1. **Model-centric**: Users care about models, not providers
-2. **Protocol prefix**: Use `protocol/model_name` format, e.g., `openai/gpt-5.4`, `anthropic/claude-sonnet-4.6`
+2. **Protocol prefix**: Use `protocol/model_name` format, e.g., `openai/gpt-5.6-terra`, `anthropic/claude-sonnet-5`
 3. **Configuration-driven**: Adding new Providers only requires config changes, no code changes
 
 ### 2.2 New Configuration Structure
@@ -75,19 +75,19 @@ Inspired by [LiteLLM](https://docs.litellm.ai/docs/proxy/configs) design:
 {
   "model_list": [
     {
-      "model_name": "deepseek-chat",
-      "model": "openai/deepseek-chat",
+      "model_name": "deepseek-v4-flash",
+      "model": "openai/deepseek-v4-flash",
       "api_base": "https://api.deepseek.com/v1",
       "api_keys": ["sk-xxx"]
     },
     {
-      "model_name": "gpt-5.4",
-      "model": "openai/gpt-5.4",
+      "model_name": "gpt-5.6-terra",
+      "model": "openai/gpt-5.6-terra",
       "api_keys": ["sk-xxx"]
     },
     {
-      "model_name": "claude-sonnet-4.6",
-      "model": "anthropic/claude-sonnet-4.6",
+      "model_name": "claude-sonnet-5",
+      "model": "anthropic/claude-sonnet-5",
       "api_keys": ["sk-xxx"]
     },
     {
@@ -105,7 +105,7 @@ Inspired by [LiteLLM](https://docs.litellm.ai/docs/proxy/configs) design:
 
   "agents": {
     "defaults": {
-      "model": "deepseek-chat",
+      "model": "deepseek-v4-flash",
       "max_tokens": 8192,
       "temperature": 0.7
     }
@@ -128,7 +128,7 @@ type Config struct {
 type ModelConfig struct {
     // Required
     ModelName string `json:"model_name"`  // user-facing name (alias)
-    Model     string `json:"model"`       // protocol/model, e.g., openai/gpt-5.4
+    Model     string `json:"model"`       // protocol/model, e.g., openai/gpt-5.6-terra
 
     // Common config
     APIBase   string `json:"api_base,omitempty"`
@@ -177,14 +177,14 @@ Identify protocol via prefix in `model` field:
 
   "agents": {
     "defaults": {
-      "model": "deepseek-chat"
+      "model": "deepseek-v4-flash"
     },
     "coder": {
-      "model": "gpt-5.4",
+      "model": "gpt-5.6-terra",
       "system_prompt": "You are a coding assistant..."
     },
     "translator": {
-      "model": "claude-sonnet-4.6"
+      "model": "claude-sonnet-5"
     }
   }
 }
@@ -200,7 +200,7 @@ Each Agent only needs to specify `model` (corresponds to `model_name` in `model_
 model_list:
   - model_name: gpt-4o
     litellm_params:
-      model: openai/gpt-5.4
+      model: openai/gpt-5.6-terra
       api_key: xxx
   - model_name: my-custom
     litellm_params:
@@ -259,7 +259,7 @@ func (c *Config) GetModelConfig(modelName string) (*ModelConfig, error) {
   "agents": {
     "defaults": {
       "provider": "deepseek",
-      "model": "deepseek-chat"
+      "model": "deepseek-v4-flash"
     }
   }
 }
@@ -270,15 +270,15 @@ func (c *Config) GetModelConfig(modelName string) (*ModelConfig, error) {
 {
   "model_list": [
     {
-      "model_name": "deepseek-chat",
-      "model": "openai/deepseek-chat",
+      "model_name": "deepseek-v4-flash",
+      "model": "openai/deepseek-v4-flash",
       "api_base": "https://api.deepseek.com/v1",
       "api_key": "sk-xxx"
     }
   ],
   "agents": {
     "defaults": {
-      "model": "deepseek-chat"
+      "model": "deepseek-v4-flash"
     }
   }
 }
diff --git a/docs/guides/configuration.fr.md b/docs/guides/configuration.fr.md
index dcacc1874e..f79ed2c2ff 100644
--- a/docs/guides/configuration.fr.md
+++ b/docs/guides/configuration.fr.md
@@ -398,8 +398,8 @@ Configurez plusieurs endpoints pour le même nom de modèle — PicoClaw effectu
 ```json
 {
   "model_list": [
-    { "model_name": "gpt-5.4", "model": "openai/gpt-5.4", "api_base": "https://api1.example.com/v1", "api_keys": ["sk-key1"] },
-    { "model_name": "gpt-5.4", "model": "openai/gpt-5.4", "api_base": "https://api2.example.com/v1", "api_keys": ["sk-key2"] }
+    { "model_name": "gpt-5.6-terra", "model": "openai/gpt-5.6-terra", "api_base": "https://api1.example.com/v1", "api_keys": ["sk-key1"] },
+    { "model_name": "gpt-5.6-terra", "model": "openai/gpt-5.6-terra", "api_base": "https://api2.example.com/v1", "api_keys": ["sk-key2"] }
   ]
 }
 ```
@@ -422,9 +422,9 @@ Exemple d'activation :
 {
   "model_list": [
     {
-      "model_name": "gpt-5.4",
+      "model_name": "gpt-5.6-terra",
       "provider": "openai",
-      "model": "gpt-5.4",
+      "model": "gpt-5.6-terra",
       "api_keys": ["sk-your-openai-key"],
       "streaming": {
         "enabled": true
diff --git a/docs/guides/configuration.it.md b/docs/guides/configuration.it.md
index 213ca10757..457ddd22a3 100644
--- a/docs/guides/configuration.it.md
+++ b/docs/guides/configuration.it.md
@@ -45,9 +45,9 @@ Esempio di attivazione:
 {
   "model_list": [
     {
-      "model_name": "gpt-5.4",
+      "model_name": "gpt-5.6-terra",
       "provider": "openai",
-      "model": "gpt-5.4",
+      "model": "gpt-5.6-terra",
       "api_keys": ["sk-your-openai-key"],
       "streaming": {
         "enabled": true
diff --git a/docs/guides/configuration.ja.md b/docs/guides/configuration.ja.md
index 7dd6764479..0157983b3e 100644
--- a/docs/guides/configuration.ja.md
+++ b/docs/guides/configuration.ja.md
@@ -399,8 +399,8 @@ HEARTBEAT_OK を返信        ユーザーが直接結果を受信
 ```json
 {
   "model_list": [
-    { "model_name": "gpt-5.4", "model": "openai/gpt-5.4", "api_base": "https://api1.example.com/v1", "api_keys": ["sk-key1"] },
-    { "model_name": "gpt-5.4", "model": "openai/gpt-5.4", "api_base": "https://api2.example.com/v1", "api_keys": ["sk-key2"] }
+    { "model_name": "gpt-5.6-terra", "model": "openai/gpt-5.6-terra", "api_base": "https://api1.example.com/v1", "api_keys": ["sk-key1"] },
+    { "model_name": "gpt-5.6-terra", "model": "openai/gpt-5.6-terra", "api_base": "https://api2.example.com/v1", "api_keys": ["sk-key2"] }
   ]
 }
 ```
@@ -423,9 +423,9 @@ Pico WebUI が最初に完全対応した channel です。Pico は既存の `me
 {
   "model_list": [
     {
-      "model_name": "gpt-5.4",
+      "model_name": "gpt-5.6-terra",
       "provider": "openai",
-      "model": "gpt-5.4",
+      "model": "gpt-5.6-terra",
       "api_keys": ["sk-your-openai-key"],
       "streaming": {
         "enabled": true
diff --git a/docs/guides/configuration.md b/docs/guides/configuration.md
index 8ac866880f..9949d7c7b9 100644
--- a/docs/guides/configuration.md
+++ b/docs/guides/configuration.md
@@ -661,10 +661,10 @@ PicoClaw supports separating sensitive data (API keys, tokens, secrets) from you
 1. Create `~/.picoclaw/.security.yml` with your API keys:
 ```yaml
 model_list:
-  gpt-5.4:
+  gpt-5.6-terra:
     api_keys:
       - "sk-proj-your-actual-openai-key"
-  claude-sonnet-4.6:
+  claude-sonnet-5:
     api_keys:
       - "sk-ant-your-actual-anthropic-key"
 channels:
@@ -688,9 +688,9 @@ chmod 600 ~/.picoclaw/.security.yml
 {
   "model_list": [
     {
-      "model_name": "gpt-5.4",
+      "model_name": "gpt-5.6-terra",
       "provider": "openai",
-      "model": "gpt-5.4"
+      "model": "gpt-5.6-terra"
       // api_key loaded from .security.yml
     }
   ],
@@ -752,15 +752,15 @@ For complete documentation, see [`../security/security_configuration.md`](../sec
       "api_keys": ["sk-your-api-key"]
     },
     {
-      "model_name": "gpt-5.4",
+      "model_name": "gpt-5.6-terra",
       "provider": "openai",
-      "model": "gpt-5.4",
+      "model": "gpt-5.6-terra",
       "api_keys": ["sk-your-openai-key"]
     },
     {
-      "model_name": "claude-sonnet-4.6",
+      "model_name": "claude-sonnet-5",
       "provider": "anthropic",
-      "model": "claude-sonnet-4.6",
+      "model": "claude-sonnet-5",
       "api_keys": ["sk-ant-your-key"]
     },
     {
@@ -772,7 +772,7 @@ For complete documentation, see [`../security/security_configuration.md`](../sec
   ],
   "agents": {
     "defaults": {
-      "model": "gpt-5.4"
+      "model": "gpt-5.6-terra"
     }
   }
 }
@@ -784,10 +784,10 @@ For complete documentation, see [`../security/security_configuration.md`](../sec
 
 Resolution rules:
 
-- Prefer explicit `"provider": "openai", "model": "gpt-5.4"`.
+- Prefer explicit `"provider": "openai", "model": "gpt-5.6-terra"`.
 - If `provider` is set, PicoClaw sends `model` unchanged.
 - If `provider` is omitted, PicoClaw treats the first `/` segment in `model` as the provider and everything after that first `/` as the runtime model ID.
-- This means `"model": "openrouter/openai/gpt-5.4"` still works as a compatibility form and sends `openai/gpt-5.4` to OpenRouter.
+- This means `"model": "openrouter/openai/gpt-5.6-terra"` still works as a compatibility form and sends `openai/gpt-5.6-terra` to OpenRouter.
 
 #### Streaming Configuration
 
@@ -803,9 +803,9 @@ Opt-in example:
 {
   "model_list": [
     {
-      "model_name": "gpt-5.4",
+      "model_name": "gpt-5.6-terra",
       "provider": "openai",
-      "model": "gpt-5.4",
+      "model": "gpt-5.6-terra",
       "api_keys": ["sk-your-openai-key"],
       "streaming": {
         "enabled": true
@@ -850,9 +850,9 @@ For model-specific TTS request fields such as custom speech `voice` names or
 
 ```json
 {
-  "model_name": "gpt-5.4",
+  "model_name": "gpt-5.6-terra",
   "provider": "openai",
-  "model": "gpt-5.4"
+  "model": "gpt-5.6-terra"
   // api_key: set in .security.yml
 }
 ```
@@ -921,9 +921,9 @@ Pair this with:
 
 ```json
 {
-  "model_name": "deepseek-chat",
+  "model_name": "deepseek-v4-flash",
   "provider": "deepseek",
-  "model": "deepseek-chat"
+  "model": "deepseek-v4-flash"
   // api_key: set in .security.yml
 }
 ```
@@ -935,9 +935,9 @@ Pair this with:
 
 ```json
 {
-  "model_name": "claude-sonnet-4.6",
+  "model_name": "claude-sonnet-5",
   "provider": "anthropic",
-  "model": "claude-sonnet-4.6"
+  "model": "claude-sonnet-5"
   // api_key: set in .security.yml
 }
 ```
@@ -1015,7 +1015,7 @@ Configure multiple endpoints for the same model name — PicoClaw will automatic
 ```yaml
 # .security.yml
 model_list:
-  gpt-5.4:
+  gpt-5.6-terra:
     api_keys:
       - "sk-proj-key-1"
       - "sk-proj-key-2"
@@ -1026,9 +1026,9 @@ model_list:
 {
   "model_list": [
     {
-      "model_name": "gpt-5.4",
+      "model_name": "gpt-5.6-terra",
       "provider": "openai",
-      "model": "gpt-5.4",
+      "model": "gpt-5.6-terra",
       "api_base": "https://api.openai.com/v1"
       // api_keys loaded from .security.yml
     }
@@ -1042,16 +1042,16 @@ model_list:
 {
   "model_list": [
     {
-      "model_name": "gpt-5.4",
+      "model_name": "gpt-5.6-terra",
       "provider": "openai",
-      "model": "gpt-5.4",
+      "model": "gpt-5.6-terra",
       "api_base": "https://api1.example.com/v1",
       "api_keys": ["sk-key1"]
     },
     {
-      "model_name": "gpt-5.4",
+      "model_name": "gpt-5.6-terra",
       "provider": "openai",
-      "model": "gpt-5.4",
+      "model": "gpt-5.6-terra",
       "api_base": "https://api2.example.com/v1",
       "api_keys": ["sk-key2"]
     }
diff --git a/docs/guides/configuration.ms.md b/docs/guides/configuration.ms.md
index 4448829a06..3213b001f0 100644
--- a/docs/guides/configuration.ms.md
+++ b/docs/guides/configuration.ms.md
@@ -45,9 +45,9 @@ Contoh mengaktifkan streaming:
 {
   "model_list": [
     {
-      "model_name": "gpt-5.4",
+      "model_name": "gpt-5.6-terra",
       "provider": "openai",
-      "model": "gpt-5.4",
+      "model": "gpt-5.6-terra",
       "api_keys": ["sk-your-openai-key"],
       "streaming": {
         "enabled": true
diff --git a/docs/guides/configuration.pt-br.md b/docs/guides/configuration.pt-br.md
index bb5d14131f..639c52a77e 100644
--- a/docs/guides/configuration.pt-br.md
+++ b/docs/guides/configuration.pt-br.md
@@ -399,8 +399,8 @@ Configure múltiplos endpoints para o mesmo nome de modelo — PicoClaw fará ro
 ```json
 {
   "model_list": [
-    { "model_name": "gpt-5.4", "model": "openai/gpt-5.4", "api_base": "https://api1.example.com/v1", "api_keys": ["sk-key1"] },
-    { "model_name": "gpt-5.4", "model": "openai/gpt-5.4", "api_base": "https://api2.example.com/v1", "api_keys": ["sk-key2"] }
+    { "model_name": "gpt-5.6-terra", "model": "openai/gpt-5.6-terra", "api_base": "https://api1.example.com/v1", "api_keys": ["sk-key1"] },
+    { "model_name": "gpt-5.6-terra", "model": "openai/gpt-5.6-terra", "api_base": "https://api2.example.com/v1", "api_keys": ["sk-key2"] }
   ]
 }
 ```
@@ -423,9 +423,9 @@ Exemplo de ativação:
 {
   "model_list": [
     {
-      "model_name": "gpt-5.4",
+      "model_name": "gpt-5.6-terra",
       "provider": "openai",
-      "model": "gpt-5.4",
+      "model": "gpt-5.6-terra",
       "api_keys": ["sk-your-openai-key"],
       "streaming": {
         "enabled": true
diff --git a/docs/guides/configuration.vi.md b/docs/guides/configuration.vi.md
index 516ebe9fea..ac6e3128c7 100644
--- a/docs/guides/configuration.vi.md
+++ b/docs/guides/configuration.vi.md
@@ -399,8 +399,8 @@ Cấu hình nhiều endpoint cho cùng tên mô hình — PicoClaw sẽ tự đ
 ```json
 {
   "model_list": [
-    { "model_name": "gpt-5.4", "model": "openai/gpt-5.4", "api_base": "https://api1.example.com/v1", "api_keys": ["sk-key1"] },
-    { "model_name": "gpt-5.4", "model": "openai/gpt-5.4", "api_base": "https://api2.example.com/v1", "api_keys": ["sk-key2"] }
+    { "model_name": "gpt-5.6-terra", "model": "openai/gpt-5.6-terra", "api_base": "https://api1.example.com/v1", "api_keys": ["sk-key1"] },
+    { "model_name": "gpt-5.6-terra", "model": "openai/gpt-5.6-terra", "api_base": "https://api2.example.com/v1", "api_keys": ["sk-key2"] }
   ]
 }
 ```
@@ -423,9 +423,9 @@ Ví dụ bật streaming:
 {
   "model_list": [
     {
-      "model_name": "gpt-5.4",
+      "model_name": "gpt-5.6-terra",
       "provider": "openai",
-      "model": "gpt-5.4",
+      "model": "gpt-5.6-terra",
       "api_keys": ["sk-your-openai-key"],
       "streaming": {
         "enabled": true
diff --git a/docs/guides/configuration.zh.md b/docs/guides/configuration.zh.md
index 1d04a0d481..a85e7a86aa 100644
--- a/docs/guides/configuration.zh.md
+++ b/docs/guides/configuration.zh.md
@@ -548,15 +548,15 @@ Agent 读取 HEARTBEAT.md
       "api_keys": ["sk-your-api-key"]
     },
     {
-      "model_name": "gpt-5.4",
+      "model_name": "gpt-5.6-terra",
       "provider": "openai",
-      "model": "gpt-5.4",
+      "model": "gpt-5.6-terra",
       "api_keys": ["sk-your-openai-key"]
     },
     {
-      "model_name": "claude-sonnet-4.6",
+      "model_name": "claude-sonnet-5",
       "provider": "anthropic",
-      "model": "claude-sonnet-4.6",
+      "model": "claude-sonnet-5",
       "api_keys": ["sk-ant-your-key"]
     },
     {
@@ -568,7 +568,7 @@ Agent 读取 HEARTBEAT.md
   ],
   "agents": {
     "defaults": {
-      "model": "gpt-5.4"
+      "model": "gpt-5.6-terra"
     }
   }
 }
@@ -576,10 +576,10 @@ Agent 读取 HEARTBEAT.md
 
 解析规则：
 
-- 推荐显式写成 `"provider": "openai", "model": "gpt-5.4"`。
+- 推荐显式写成 `"provider": "openai", "model": "gpt-5.6-terra"`。
 - 如果设置了 `provider`，PicoClaw 会将 `model` 原样发送。
 - 如果未设置 `provider`，PicoClaw 会把 `model` 第一个 `/` 之前的字段当作 provider，并把第一个 `/` 之后的全部内容当作最终模型 ID。
-- 这意味着 `"model": "openrouter/openai/gpt-5.4"` 这样的兼容写法仍然可用，并会把 `openai/gpt-5.4` 发送给 OpenRouter。
+- 这意味着 `"model": "openrouter/openai/gpt-5.6-terra"` 这样的兼容写法仍然可用，并会把 `openai/gpt-5.6-terra` 发送给 OpenRouter。
 
 #### 流式输出配置
 
@@ -595,9 +595,9 @@ Provider 流式输出采用双开关，默认关闭。只有当前 channel 的 `
 {
   "model_list": [
     {
-      "model_name": "gpt-5.4",
+      "model_name": "gpt-5.6-terra",
       "provider": "openai",
-      "model": "gpt-5.4",
+      "model": "gpt-5.6-terra",
       "api_keys": ["sk-your-openai-key"],
       "streaming": {
         "enabled": true
@@ -637,9 +637,9 @@ Telegram 旧环境变量仍兼容：`PICOCLAW_CHANNELS_TELEGRAM_STREAMING_ENABLE
 
 ```json
 {
-  "model_name": "gpt-5.4",
+  "model_name": "gpt-5.6-terra",
   "provider": "openai",
-  "model": "gpt-5.4",
+  "model": "gpt-5.6-terra",
   "api_keys": ["sk-..."]
 }
 ```
@@ -679,9 +679,9 @@ Telegram 旧环境变量仍兼容：`PICOCLAW_CHANNELS_TELEGRAM_STREAMING_ENABLE
 
 ```json
 {
-  "model_name": "deepseek-chat",
+  "model_name": "deepseek-v4-flash",
   "provider": "deepseek",
-  "model": "deepseek-chat",
+  "model": "deepseek-v4-flash",
   "api_keys": ["sk-..."]
 }
 ```
@@ -693,9 +693,9 @@ Telegram 旧环境变量仍兼容：`PICOCLAW_CHANNELS_TELEGRAM_STREAMING_ENABLE
 
 ```json
 {
-  "model_name": "claude-sonnet-4.6",
+  "model_name": "claude-sonnet-5",
   "provider": "anthropic",
-  "model": "claude-sonnet-4.6",
+  "model": "claude-sonnet-5",
   "api_keys": ["sk-ant-your-key"]
 }
 ```
@@ -772,16 +772,16 @@ Telegram 旧环境变量仍兼容：`PICOCLAW_CHANNELS_TELEGRAM_STREAMING_ENABLE
 {
   "model_list": [
     {
-      "model_name": "gpt-5.4",
+      "model_name": "gpt-5.6-terra",
       "provider": "openai",
-      "model": "gpt-5.4",
+      "model": "gpt-5.6-terra",
       "api_base": "https://api1.example.com/v1",
       "api_keys": ["sk-key1"]
     },
     {
-      "model_name": "gpt-5.4",
+      "model_name": "gpt-5.6-terra",
       "provider": "openai",
-      "model": "gpt-5.4",
+      "model": "gpt-5.6-terra",
       "api_base": "https://api2.example.com/v1",
       "api_keys": ["sk-key2"]
     }
diff --git a/docs/guides/docker.fr.md b/docs/guides/docker.fr.md
index e174298ac8..9507354fb7 100644
--- a/docs/guides/docker.fr.md
+++ b/docs/guides/docker.fr.md
@@ -82,7 +82,7 @@ picoclaw onboard
   "agents": {
     "defaults": {
       "workspace": "~/.picoclaw/workspace",
-      "model_name": "gpt-5.4",
+      "model_name": "gpt-5.6-terra",
       "max_tokens": 8192,
       "temperature": 0.7,
       "max_tool_iterations": 20
@@ -96,14 +96,14 @@ picoclaw onboard
       "api_base":"https://ark.cn-beijing.volces.com/api/coding/v3"
     },
     {
-      "model_name": "gpt-5.4",
-      "model": "openai/gpt-5.4",
+      "model_name": "gpt-5.6-terra",
+      "model": "openai/gpt-5.6-terra",
       "api_keys": ["your-api-key"],
       "request_timeout": 300
     },
     {
-      "model_name": "claude-sonnet-4.6",
-      "model": "anthropic/claude-sonnet-4.6",
+      "model_name": "claude-sonnet-5",
+      "model": "anthropic/claude-sonnet-5",
       "api_keys": ["your-anthropic-key"]
     }
   ],
diff --git a/docs/guides/docker.ja.md b/docs/guides/docker.ja.md
index 19199aaac0..21966f163e 100644
--- a/docs/guides/docker.ja.md
+++ b/docs/guides/docker.ja.md
@@ -84,7 +84,7 @@ picoclaw onboard
   "agents": {
     "defaults": {
       "workspace": "~/.picoclaw/workspace",
-      "model_name": "gpt-5.4",
+      "model_name": "gpt-5.6-terra",
       "max_tokens": 8192,
       "temperature": 0.7,
       "max_tool_iterations": 20
@@ -98,14 +98,14 @@ picoclaw onboard
       "api_base":"https://ark.cn-beijing.volces.com/api/coding/v3"
     },
     {
-      "model_name": "gpt-5.4",
-      "model": "openai/gpt-5.4",
+      "model_name": "gpt-5.6-terra",
+      "model": "openai/gpt-5.6-terra",
       "api_keys": ["your-api-key"],
       "request_timeout": 300
     },
     {
-      "model_name": "claude-sonnet-4.6",
-      "model": "anthropic/claude-sonnet-4.6",
+      "model_name": "claude-sonnet-5",
+      "model": "anthropic/claude-sonnet-5",
       "api_keys": ["your-anthropic-key"]
     }
   ],
diff --git a/docs/guides/docker.md b/docs/guides/docker.md
index e2e472fbf8..8060b1bf26 100644
--- a/docs/guides/docker.md
+++ b/docs/guides/docker.md
@@ -85,7 +85,7 @@ picoclaw onboard
   "agents": {
     "defaults": {
       "workspace": "~/.picoclaw/workspace",
-      "model_name": "gpt-5.4",
+      "model_name": "gpt-5.6-terra",
       "max_tokens": 8192,
       "temperature": 0.7,
       "max_tool_iterations": 20
@@ -100,16 +100,16 @@ picoclaw onboard
       "api_base":"https://ark.cn-beijing.volces.com/api/coding/v3"
     },
     {
-      "model_name": "gpt-5.4",
+      "model_name": "gpt-5.6-terra",
       "provider": "openai",
-      "model": "gpt-5.4",
+      "model": "gpt-5.6-terra",
       "api_keys": ["your-api-key"],
       "request_timeout": 300
     },
     {
-      "model_name": "claude-sonnet-4.6",
+      "model_name": "claude-sonnet-5",
       "provider": "anthropic",
-      "model": "claude-sonnet-4.6",
+      "model": "claude-sonnet-5",
       "api_keys": ["your-anthropic-key"]
     }
   ],
diff --git a/docs/guides/docker.ms.md b/docs/guides/docker.ms.md
index 5a426cb99e..cf5ff19860 100644
--- a/docs/guides/docker.ms.md
+++ b/docs/guides/docker.ms.md
@@ -81,7 +81,7 @@ picoclaw onboard
   "agents": {
     "defaults": {
       "workspace": "~/.picoclaw/workspace",
-      "model_name": "gpt-5.4",
+      "model_name": "gpt-5.6-terra",
       "max_tokens": 8192,
       "temperature": 0.7,
       "max_tool_iterations": 20
@@ -95,14 +95,14 @@ picoclaw onboard
       "api_base":"https://ark.cn-beijing.volces.com/api/coding/v3"
     },
     {
-      "model_name": "gpt-5.4",
-      "model": "openai/gpt-5.4",
+      "model_name": "gpt-5.6-terra",
+      "model": "openai/gpt-5.6-terra",
       "api_keys": ["your-api-key"],
       "request_timeout": 300
     },
     {
-      "model_name": "claude-sonnet-4.6",
-      "model": "anthropic/claude-sonnet-4.6",
+      "model_name": "claude-sonnet-5",
+      "model": "anthropic/claude-sonnet-5",
       "api_keys": ["your-anthropic-key"]
     }
   ],
diff --git a/docs/guides/docker.pt-br.md b/docs/guides/docker.pt-br.md
index ab71af8e64..ff4708cbcc 100644
--- a/docs/guides/docker.pt-br.md
+++ b/docs/guides/docker.pt-br.md
@@ -82,7 +82,7 @@ picoclaw onboard
   "agents": {
     "defaults": {
       "workspace": "~/.picoclaw/workspace",
-      "model_name": "gpt-5.4",
+      "model_name": "gpt-5.6-terra",
       "max_tokens": 8192,
       "temperature": 0.7,
       "max_tool_iterations": 20
@@ -96,14 +96,14 @@ picoclaw onboard
       "api_base":"https://ark.cn-beijing.volces.com/api/coding/v3"
     },
     {
-      "model_name": "gpt-5.4",
-      "model": "openai/gpt-5.4",
+      "model_name": "gpt-5.6-terra",
+      "model": "openai/gpt-5.6-terra",
       "api_keys": ["your-api-key"],
       "request_timeout": 300
     },
     {
-      "model_name": "claude-sonnet-4.6",
-      "model": "anthropic/claude-sonnet-4.6",
+      "model_name": "claude-sonnet-5",
+      "model": "anthropic/claude-sonnet-5",
       "api_keys": ["your-anthropic-key"]
     }
   ],
diff --git a/docs/guides/docker.vi.md b/docs/guides/docker.vi.md
index e91450bb05..cb85e9de45 100644
--- a/docs/guides/docker.vi.md
+++ b/docs/guides/docker.vi.md
@@ -82,7 +82,7 @@ picoclaw onboard
   "agents": {
     "defaults": {
       "workspace": "~/.picoclaw/workspace",
-      "model_name": "gpt-5.4",
+      "model_name": "gpt-5.6-terra",
       "max_tokens": 8192,
       "temperature": 0.7,
       "max_tool_iterations": 20
@@ -96,14 +96,14 @@ picoclaw onboard
       "api_base":"https://ark.cn-beijing.volces.com/api/coding/v3"
     },
     {
-      "model_name": "gpt-5.4",
-      "model": "openai/gpt-5.4",
+      "model_name": "gpt-5.6-terra",
+      "model": "openai/gpt-5.6-terra",
       "api_keys": ["your-api-key"],
       "request_timeout": 300
     },
     {
-      "model_name": "claude-sonnet-4.6",
-      "model": "anthropic/claude-sonnet-4.6",
+      "model_name": "claude-sonnet-5",
+      "model": "anthropic/claude-sonnet-5",
       "api_keys": ["your-anthropic-key"]
     }
   ],
diff --git a/docs/guides/docker.zh.md b/docs/guides/docker.zh.md
index 855375d9c2..58b21ce5f4 100644
--- a/docs/guides/docker.zh.md
+++ b/docs/guides/docker.zh.md
@@ -84,7 +84,7 @@ picoclaw onboard
   "agents": {
     "defaults": {
       "workspace": "~/.picoclaw/workspace",
-      "model_name": "gpt-5.4",
+      "model_name": "gpt-5.6-terra",
       "max_tokens": 8192,
       "temperature": 0.7,
       "max_tool_iterations": 20
@@ -99,16 +99,16 @@ picoclaw onboard
       "api_base":"https://ark.cn-beijing.volces.com/api/coding/v3"
     },
     {
-      "model_name": "gpt-5.4",
+      "model_name": "gpt-5.6-terra",
       "provider": "openai",
-      "model": "gpt-5.4",
+      "model": "gpt-5.6-terra",
       "api_keys": ["your-api-key"],
       "request_timeout": 300
     },
     {
-      "model_name": "claude-sonnet-4.6",
+      "model_name": "claude-sonnet-5",
       "provider": "anthropic",
-      "model": "claude-sonnet-4.6",
+      "model": "claude-sonnet-5",
       "api_keys": ["your-anthropic-key"]
     }
   ],
diff --git a/docs/guides/providers.fr.md b/docs/guides/providers.fr.md
index a16d7c8074..d4bf7f6792 100644
--- a/docs/guides/providers.fr.md
+++ b/docs/guides/providers.fr.md
@@ -76,13 +76,13 @@ Cette conception permet également le **support multi-agents** avec une sélecti
       "api_keys": ["sk-your-api-key"]
     },
     {
-      "model_name": "gpt-5.4",
-      "model": "openai/gpt-5.4",
+      "model_name": "gpt-5.6-terra",
+      "model": "openai/gpt-5.6-terra",
       "api_keys": ["sk-your-openai-key"]
     },
     {
-      "model_name": "claude-sonnet-4.6",
-      "model": "anthropic/claude-sonnet-4.6",
+      "model_name": "claude-sonnet-5",
+      "model": "anthropic/claude-sonnet-5",
       "api_keys": ["sk-ant-your-key"]
     },
     {
@@ -93,7 +93,7 @@ Cette conception permet également le **support multi-agents** avec une sélecti
   ],
   "agents": {
     "defaults": {
-      "model_name": "gpt-5.4"
+      "model_name": "gpt-5.6-terra"
     }
   }
 }
@@ -104,7 +104,7 @@ Cette conception permet également le **support multi-agents** avec une sélecti
 | Champ | Type | Requis | Description |
 |-------|------|--------|-------------|
 | `model_name` | string | Oui | Nom unique pour référencer ce modèle dans la config agent |
-| `model` | string | Oui | Identifiant fournisseur/modèle (ex : `openai/gpt-5.4`, `azure/gpt-5.4`, `anthropic/claude-sonnet-4.6`) |
+| `model` | string | Oui | Identifiant fournisseur/modèle (ex : `openai/gpt-5.6-terra`, `azure/gpt-5.6-terra`, `anthropic/claude-sonnet-5`) |
 | `api_keys` | string[] | Oui* | Clé(s) API pour l'authentification. Plusieurs clés permettent la rotation par requête. Non requis pour les fournisseurs locaux (Ollama, LM Studio, VLLM) |
 | `api_base` | string | Non | Remplace l'URL de base API par défaut |
 | `proxy` | string | Non | URL du proxy HTTP pour cette entrée de modèle |
@@ -126,8 +126,8 @@ Lorsque le streaming est désactivé, omettez le bloc `streaming`. Écrire `"str
 
 ```json
 {
-  "model_name": "gpt-5.4",
-  "model": "openai/gpt-5.4",
+  "model_name": "gpt-5.6-terra",
+  "model": "openai/gpt-5.6-terra",
   "api_keys": ["sk-..."]
 }
 ```
@@ -156,8 +156,8 @@ Lorsque le streaming est désactivé, omettez le bloc `streaming`. Écrire `"str
 
 ```json
 {
-  "model_name": "deepseek-chat",
-  "model": "deepseek/deepseek-chat",
+  "model_name": "deepseek-v4-flash",
+  "model": "deepseek/deepseek-v4-flash",
   "api_keys": ["sk-..."]
 }
 ```
@@ -166,8 +166,8 @@ Lorsque le streaming est désactivé, omettez le bloc `streaming`. Écrire `"str
 
 ```json
 {
-  "model_name": "claude-sonnet-4.6",
-  "model": "anthropic/claude-sonnet-4.6",
+  "model_name": "claude-sonnet-5",
+  "model": "anthropic/claude-sonnet-5",
   "api_keys": ["sk-ant-your-key"]
 }
 ```
@@ -237,14 +237,14 @@ Configurez plusieurs endpoints pour le même nom de modèle — PicoClaw effectu
 {
   "model_list": [
     {
-      "model_name": "gpt-5.4",
-      "model": "openai/gpt-5.4",
+      "model_name": "gpt-5.6-terra",
+      "model": "openai/gpt-5.6-terra",
       "api_base": "https://api1.example.com/v1",
       "api_keys": ["sk-key1"]
     },
     {
-      "model_name": "gpt-5.4",
-      "model": "openai/gpt-5.4",
+      "model_name": "gpt-5.6-terra",
+      "model": "openai/gpt-5.6-terra",
       "api_base": "https://api2.example.com/v1",
       "api_keys": ["sk-key2"]
     }
diff --git a/docs/guides/providers.ja.md b/docs/guides/providers.ja.md
index 75ee28a57b..d10f07c532 100644
--- a/docs/guides/providers.ja.md
+++ b/docs/guides/providers.ja.md
@@ -77,13 +77,13 @@
       "api_keys": ["sk-your-api-key"]
     },
     {
-      "model_name": "gpt-5.4",
-      "model": "openai/gpt-5.4",
+      "model_name": "gpt-5.6-terra",
+      "model": "openai/gpt-5.6-terra",
       "api_keys": ["sk-your-openai-key"]
     },
     {
-      "model_name": "claude-sonnet-4.6",
-      "model": "anthropic/claude-sonnet-4.6",
+      "model_name": "claude-sonnet-5",
+      "model": "anthropic/claude-sonnet-5",
       "api_keys": ["sk-ant-your-key"]
     },
     {
@@ -94,7 +94,7 @@
   ],
   "agents": {
     "defaults": {
-      "model_name": "gpt-5.4"
+      "model_name": "gpt-5.6-terra"
     }
   }
 }
@@ -105,7 +105,7 @@
 | フィールド | 型 | 必須 | 説明 |
 |-----------|------|------|------|
 | `model_name` | string | はい | agent 設定でこのモデルを参照するための一意の名前 |
-| `model` | string | はい | ベンダー/モデル識別子（例：`openai/gpt-5.4`、`azure/gpt-5.4`、`anthropic/claude-sonnet-4.6`） |
+| `model` | string | はい | ベンダー/モデル識別子（例：`openai/gpt-5.6-terra`、`azure/gpt-5.6-terra`、`anthropic/claude-sonnet-5`） |
 | `api_keys` | string[] | はい* | 認証キー。複数キーでリクエストごとのローテーションが可能。ローカル provider（Ollama、LM Studio、VLLM）には不要 |
 | `api_base` | string | いいえ | デフォルトの API エンドポイント URL を上書き |
 | `proxy` | string | いいえ | このモデルエントリの HTTP プロキシ URL |
@@ -127,8 +127,8 @@
 
 ```json
 {
-  "model_name": "gpt-5.4",
-  "model": "openai/gpt-5.4",
+  "model_name": "gpt-5.6-terra",
+  "model": "openai/gpt-5.6-terra",
   "api_keys": ["sk-..."]
 }
 ```
@@ -168,8 +168,8 @@
 
 ```json
 {
-  "model_name": "deepseek-chat",
-  "model": "deepseek/deepseek-chat",
+  "model_name": "deepseek-v4-flash",
+  "model": "deepseek/deepseek-v4-flash",
   "api_keys": ["sk-..."]
 }
 ```
@@ -178,8 +178,8 @@
 
 ```json
 {
-  "model_name": "claude-sonnet-4.6",
-  "model": "anthropic/claude-sonnet-4.6",
+  "model_name": "claude-sonnet-5",
+  "model": "anthropic/claude-sonnet-5",
   "api_keys": ["sk-ant-your-key"]
 }
 ```
@@ -249,14 +249,14 @@ PicoClaw はリクエスト送信前に外側の `litellm/` プレフィック
 {
   "model_list": [
     {
-      "model_name": "gpt-5.4",
-      "model": "openai/gpt-5.4",
+      "model_name": "gpt-5.6-terra",
+      "model": "openai/gpt-5.6-terra",
       "api_base": "https://api1.example.com/v1",
       "api_keys": ["sk-key1"]
     },
     {
-      "model_name": "gpt-5.4",
-      "model": "openai/gpt-5.4",
+      "model_name": "gpt-5.6-terra",
+      "model": "openai/gpt-5.6-terra",
       "api_base": "https://api2.example.com/v1",
       "api_keys": ["sk-key2"]
     }
diff --git a/docs/guides/providers.md b/docs/guides/providers.md
index 978a16dd48..375466cd88 100644
--- a/docs/guides/providers.md
+++ b/docs/guides/providers.md
@@ -90,15 +90,15 @@ This design also enables **multi-agent support** with flexible provider selectio
       "api_keys": ["sk-your-api-key"]
     },
     {
-      "model_name": "gpt-5.4",
+      "model_name": "gpt-5.6-terra",
       "provider": "openai",
-      "model": "gpt-5.4",
+      "model": "gpt-5.6-terra",
       "api_keys": ["sk-your-openai-key"]
     },
     {
-      "model_name": "claude-sonnet-4.6",
+      "model_name": "claude-sonnet-5",
       "provider": "anthropic",
-      "model": "claude-sonnet-4.6",
+      "model": "claude-sonnet-5",
       "api_keys": ["sk-ant-your-key"]
     },
     {
@@ -110,7 +110,7 @@ This design also enables **multi-agent support** with flexible provider selectio
   ],
   "agents": {
     "defaults": {
-      "model_name": "gpt-5.4"
+      "model_name": "gpt-5.6-terra"
     }
   }
 }
@@ -177,10 +177,10 @@ Examples:
 
 | Config | Resolved Provider | Model Sent Upstream |
 | --- | --- | --- |
-| `"provider": "openai", "model": "gpt-5.4"` | `openai` | `gpt-5.4` |
-| `"model": "openai/gpt-5.4"` | `openai` | `gpt-5.4` |
-| `"provider": "openrouter", "model": "openai/gpt-5.4"` | `openrouter` | `openai/gpt-5.4` |
-| `"model": "openrouter/openai/gpt-5.4"` | `openrouter` | `openai/gpt-5.4` |
+| `"provider": "openai", "model": "gpt-5.6-terra"` | `openai` | `gpt-5.6-terra` |
+| `"model": "openai/gpt-5.6-terra"` | `openai` | `gpt-5.6-terra` |
+| `"provider": "openrouter", "model": "openai/gpt-5.6-terra"` | `openrouter` | `openai/gpt-5.6-terra` |
+| `"model": "openrouter/openai/gpt-5.6-terra"` | `openrouter` | `openai/gpt-5.6-terra` |
 
 #### Voice Transcription
 
@@ -251,9 +251,9 @@ Notes that matter:
 
 ```json
 {
-  "model_name": "gpt-5.4",
+  "model_name": "gpt-5.6-terra",
   "provider": "openai",
-  "model": "gpt-5.4",
+  "model": "gpt-5.6-terra",
   "api_keys": ["sk-..."]
 }
 ```
@@ -307,9 +307,9 @@ Notes that matter:
 
 ```json
 {
-  "model_name": "deepseek-chat",
+  "model_name": "deepseek-v4-flash",
   "provider": "deepseek",
-  "model": "deepseek-chat",
+  "model": "deepseek-v4-flash",
   "api_keys": ["sk-..."]
 }
 ```
@@ -318,9 +318,9 @@ Notes that matter:
 
 ```json
 {
-  "model_name": "claude-sonnet-4.6",
+  "model_name": "claude-sonnet-5",
   "provider": "anthropic",
-  "model": "claude-sonnet-4.6",
+  "model": "claude-sonnet-5",
   "api_keys": ["sk-ant-your-key"]
 }
 ```
@@ -423,16 +423,16 @@ Configure multiple endpoints for the same model name—PicoClaw will automatical
 {
   "model_list": [
     {
-      "model_name": "gpt-5.4",
+      "model_name": "gpt-5.6-terra",
       "provider": "openai",
-      "model": "gpt-5.4",
+      "model": "gpt-5.6-terra",
       "api_base": "https://api1.example.com/v1",
       "api_keys": ["sk-key1"]
     },
     {
-      "model_name": "gpt-5.4",
+      "model_name": "gpt-5.6-terra",
       "provider": "openai",
-      "model": "gpt-5.4",
+      "model": "gpt-5.6-terra",
       "api_base": "https://api2.example.com/v1",
       "api_keys": ["sk-key2"]
     }
@@ -459,7 +459,7 @@ It also applies cooldown tracking per candidate to avoid immediately retrying a
     {
       "model_name": "deepseek-backup",
       "provider": "deepseek",
-      "model": "deepseek-chat",
+      "model": "deepseek-v4-flash",
       "api_keys": ["sk-backup-1"]
     },
     {
diff --git a/docs/guides/providers.pt-br.md b/docs/guides/providers.pt-br.md
index ed99a27dde..b634fb6e60 100644
--- a/docs/guides/providers.pt-br.md
+++ b/docs/guides/providers.pt-br.md
@@ -76,13 +76,13 @@ Este design também permite **suporte multi-agente** com seleção flexível de
       "api_keys": ["sk-your-api-key"]
     },
     {
-      "model_name": "gpt-5.4",
-      "model": "openai/gpt-5.4",
+      "model_name": "gpt-5.6-terra",
+      "model": "openai/gpt-5.6-terra",
       "api_keys": ["sk-your-openai-key"]
     },
     {
-      "model_name": "claude-sonnet-4.6",
-      "model": "anthropic/claude-sonnet-4.6",
+      "model_name": "claude-sonnet-5",
+      "model": "anthropic/claude-sonnet-5",
       "api_keys": ["sk-ant-your-key"]
     },
     {
@@ -93,7 +93,7 @@ Este design também permite **suporte multi-agente** com seleção flexível de
   ],
   "agents": {
     "defaults": {
-      "model_name": "gpt-5.4"
+      "model_name": "gpt-5.6-terra"
     }
   }
 }
@@ -104,7 +104,7 @@ Este design também permite **suporte multi-agente** com seleção flexível de
 | Campo | Tipo | Obrigatório | Descrição |
 |-------|------|-------------|-----------|
 | `model_name` | string | Sim | Nome único para referenciar este modelo na config do agent |
-| `model` | string | Sim | Identificador fornecedor/modelo (ex: `openai/gpt-5.4`, `azure/gpt-5.4`, `anthropic/claude-sonnet-4.6`) |
+| `model` | string | Sim | Identificador fornecedor/modelo (ex: `openai/gpt-5.6-terra`, `azure/gpt-5.6-terra`, `anthropic/claude-sonnet-5`) |
 | `api_keys` | string[] | Sim* | Chave(s) API para autenticação. Múltiplas chaves permitem rotação por requisição. Não necessário para providers locais (Ollama, LM Studio, VLLM) |
 | `api_base` | string | Não | Substitui a URL base da API padrão |
 | `proxy` | string | Não | URL do proxy HTTP para esta entrada de modelo |
@@ -126,8 +126,8 @@ Quando streaming estiver desativado, omita o bloco `streaming`. Escrever `"strea
 
 ```json
 {
-  "model_name": "gpt-5.4",
-  "model": "openai/gpt-5.4",
+  "model_name": "gpt-5.6-terra",
+  "model": "openai/gpt-5.6-terra",
   "api_keys": ["sk-..."]
 }
 ```
@@ -156,8 +156,8 @@ Quando streaming estiver desativado, omita o bloco `streaming`. Escrever `"strea
 
 ```json
 {
-  "model_name": "deepseek-chat",
-  "model": "deepseek/deepseek-chat",
+  "model_name": "deepseek-v4-flash",
+  "model": "deepseek/deepseek-v4-flash",
   "api_keys": ["sk-..."]
 }
 ```
@@ -166,8 +166,8 @@ Quando streaming estiver desativado, omita o bloco `streaming`. Escrever `"strea
 
 ```json
 {
-  "model_name": "claude-sonnet-4.6",
-  "model": "anthropic/claude-sonnet-4.6",
+  "model_name": "claude-sonnet-5",
+  "model": "anthropic/claude-sonnet-5",
   "api_keys": ["sk-ant-your-key"]
 }
 ```
@@ -237,14 +237,14 @@ Configure múltiplos endpoints para o mesmo nome de modelo — o PicoClaw fará
 {
   "model_list": [
     {
-      "model_name": "gpt-5.4",
-      "model": "openai/gpt-5.4",
+      "model_name": "gpt-5.6-terra",
+      "model": "openai/gpt-5.6-terra",
       "api_base": "https://api1.example.com/v1",
       "api_keys": ["sk-key1"]
     },
     {
-      "model_name": "gpt-5.4",
-      "model": "openai/gpt-5.4",
+      "model_name": "gpt-5.6-terra",
+      "model": "openai/gpt-5.6-terra",
       "api_base": "https://api2.example.com/v1",
       "api_keys": ["sk-key2"]
     }
diff --git a/docs/guides/providers.vi.md b/docs/guides/providers.vi.md
index 402e09fbac..067a91a83b 100644
--- a/docs/guides/providers.vi.md
+++ b/docs/guides/providers.vi.md
@@ -76,13 +76,13 @@ Thiết kế này cũng cho phép **hỗ trợ đa agent** với lựa chọn pr
       "api_keys": ["sk-your-api-key"]
     },
     {
-      "model_name": "gpt-5.4",
-      "model": "openai/gpt-5.4",
+      "model_name": "gpt-5.6-terra",
+      "model": "openai/gpt-5.6-terra",
       "api_keys": ["sk-your-openai-key"]
     },
     {
-      "model_name": "claude-sonnet-4.6",
-      "model": "anthropic/claude-sonnet-4.6",
+      "model_name": "claude-sonnet-5",
+      "model": "anthropic/claude-sonnet-5",
       "api_keys": ["sk-ant-your-key"]
     },
     {
@@ -93,7 +93,7 @@ Thiết kế này cũng cho phép **hỗ trợ đa agent** với lựa chọn pr
   ],
   "agents": {
     "defaults": {
-      "model_name": "gpt-5.4"
+      "model_name": "gpt-5.6-terra"
     }
   }
 }
@@ -104,7 +104,7 @@ Thiết kế này cũng cho phép **hỗ trợ đa agent** với lựa chọn pr
 | Trường | Kiểu | Bắt buộc | Mô tả |
 |--------|------|----------|------|
 | `model_name` | string | Có | Tên duy nhất để tham chiếu model này trong cấu hình agent |
-| `model` | string | Có | Định danh nhà cung cấp/model (ví dụ: `openai/gpt-5.4`, `azure/gpt-5.4`, `anthropic/claude-sonnet-4.6`) |
+| `model` | string | Có | Định danh nhà cung cấp/model (ví dụ: `openai/gpt-5.6-terra`, `azure/gpt-5.6-terra`, `anthropic/claude-sonnet-5`) |
 | `api_keys` | string[] | Có* | Khóa API xác thực. Nhiều khóa cho phép xoay vòng theo yêu cầu. Không cần thiết cho provider nội bộ (Ollama, LM Studio, VLLM) |
 | `api_base` | string | Không | Ghi đè URL endpoint API mặc định |
 | `proxy` | string | Không | URL proxy HTTP cho entry model này |
@@ -126,8 +126,8 @@ Khi không dùng streaming, hãy bỏ qua block `streaming`. Viết `"streaming"
 
 ```json
 {
-  "model_name": "gpt-5.4",
-  "model": "openai/gpt-5.4",
+  "model_name": "gpt-5.6-terra",
+  "model": "openai/gpt-5.6-terra",
   "api_keys": ["sk-..."]
 }
 ```
@@ -156,8 +156,8 @@ Khi không dùng streaming, hãy bỏ qua block `streaming`. Viết `"streaming"
 
 ```json
 {
-  "model_name": "deepseek-chat",
-  "model": "deepseek/deepseek-chat",
+  "model_name": "deepseek-v4-flash",
+  "model": "deepseek/deepseek-v4-flash",
   "api_keys": ["sk-..."]
 }
 ```
@@ -166,8 +166,8 @@ Khi không dùng streaming, hãy bỏ qua block `streaming`. Viết `"streaming"
 
 ```json
 {
-  "model_name": "claude-sonnet-4.6",
-  "model": "anthropic/claude-sonnet-4.6",
+  "model_name": "claude-sonnet-5",
+  "model": "anthropic/claude-sonnet-5",
   "api_keys": ["sk-ant-your-key"]
 }
 ```
@@ -237,14 +237,14 @@ Cấu hình nhiều endpoint cho cùng tên mô hình — PicoClaw sẽ tự đ
 {
   "model_list": [
     {
-      "model_name": "gpt-5.4",
-      "model": "openai/gpt-5.4",
+      "model_name": "gpt-5.6-terra",
+      "model": "openai/gpt-5.6-terra",
       "api_base": "https://api1.example.com/v1",
       "api_keys": ["sk-key1"]
     },
     {
-      "model_name": "gpt-5.4",
-      "model": "openai/gpt-5.4",
+      "model_name": "gpt-5.6-terra",
+      "model": "openai/gpt-5.6-terra",
       "api_base": "https://api2.example.com/v1",
       "api_keys": ["sk-key2"]
     }
diff --git a/docs/guides/providers.zh.md b/docs/guides/providers.zh.md
index c63927142f..4d8c5306cd 100644
--- a/docs/guides/providers.zh.md
+++ b/docs/guides/providers.zh.md
@@ -85,15 +85,15 @@
       "api_keys": ["sk-your-api-key"]
     },
     {
-      "model_name": "gpt-5.4",
+      "model_name": "gpt-5.6-terra",
       "provider": "openai",
-      "model": "gpt-5.4",
+      "model": "gpt-5.6-terra",
       "api_keys": ["sk-your-openai-key"]
     },
     {
-      "model_name": "claude-sonnet-4.6",
+      "model_name": "claude-sonnet-5",
       "provider": "anthropic",
-      "model": "claude-sonnet-4.6",
+      "model": "claude-sonnet-5",
       "api_keys": ["sk-ant-your-key"]
     },
     {
@@ -105,7 +105,7 @@
   ],
   "agents": {
     "defaults": {
-      "model_name": "gpt-5.4"
+      "model_name": "gpt-5.6-terra"
     }
   }
 }
@@ -145,10 +145,10 @@ PicoClaw 按下面的规则解析 `provider` 和最终发给上游的模型 ID
 
 | 配置 | 解析后的 Provider | 实际发送的模型 ID |
 | --- | --- | --- |
-| `"provider": "openai", "model": "gpt-5.4"` | `openai` | `gpt-5.4` |
-| `"model": "openai/gpt-5.4"` | `openai` | `gpt-5.4` |
-| `"provider": "openrouter", "model": "openai/gpt-5.4"` | `openrouter` | `openai/gpt-5.4` |
-| `"model": "openrouter/openai/gpt-5.4"` | `openrouter` | `openai/gpt-5.4` |
+| `"provider": "openai", "model": "gpt-5.6-terra"` | `openai` | `gpt-5.6-terra` |
+| `"model": "openai/gpt-5.6-terra"` | `openai` | `gpt-5.6-terra` |
+| `"provider": "openrouter", "model": "openai/gpt-5.6-terra"` | `openrouter` | `openai/gpt-5.6-terra` |
+| `"model": "openrouter/openai/gpt-5.6-terra"` | `openrouter` | `openai/gpt-5.6-terra` |
 
 #### 语音转录
 
@@ -184,9 +184,9 @@ PicoClaw 按下面的规则解析 `provider` 和最终发给上游的模型 ID
 
 ```json
 {
-  "model_name": "gpt-5.4",
+  "model_name": "gpt-5.6-terra",
   "provider": "openai",
-  "model": "gpt-5.4",
+  "model": "gpt-5.6-terra",
   "api_keys": ["sk-..."]
 }
 ```
@@ -217,9 +217,9 @@ PicoClaw 按下面的规则解析 `provider` 和最终发给上游的模型 ID
 
 ```json
 {
-  "model_name": "deepseek-chat",
+  "model_name": "deepseek-v4-flash",
   "provider": "deepseek",
-  "model": "deepseek-chat",
+  "model": "deepseek-v4-flash",
   "api_keys": ["sk-..."]
 }
 ```
@@ -228,9 +228,9 @@ PicoClaw 按下面的规则解析 `provider` 和最终发给上游的模型 ID
 
 ```json
 {
-  "model_name": "claude-sonnet-4.6",
+  "model_name": "claude-sonnet-5",
   "provider": "anthropic",
-  "model": "claude-sonnet-4.6",
+  "model": "claude-sonnet-5",
   "auth_method": "oauth"
 }
 ```
@@ -317,16 +317,16 @@ PicoClaw 按下面的规则解析 `provider` 和最终发给上游的模型 ID
 {
   "model_list": [
     {
-      "model_name": "gpt-5.4",
+      "model_name": "gpt-5.6-terra",
       "provider": "openai",
-      "model": "gpt-5.4",
+      "model": "gpt-5.6-terra",
       "api_base": "https://api1.example.com/v1",
       "api_keys": ["sk-key1"]
     },
     {
-      "model_name": "gpt-5.4",
+      "model_name": "gpt-5.6-terra",
       "provider": "openai",
-      "model": "gpt-5.4",
+      "model": "gpt-5.6-terra",
       "api_base": "https://api2.example.com/v1",
       "api_keys": ["sk-key2"]
     }
@@ -353,7 +353,7 @@ PicoClaw 按下面的规则解析 `provider` 和最终发给上游的模型 ID
     {
       "model_name": "deepseek-backup",
       "provider": "deepseek",
-      "model": "deepseek-chat",
+      "model": "deepseek-v4-flash",
       "api_keys": ["sk-backup-1"]
     },
     {
diff --git a/docs/guides/routing-guide.md b/docs/guides/routing-guide.md
index a47984324e..3924040d18 100644
--- a/docs/guides/routing-guide.md
+++ b/docs/guides/routing-guide.md
@@ -70,7 +70,7 @@ This guide explains how to configure both for real deployments.
     {
       "model_name": "gpt-main",
       "provider": "openai",
-      "model": "gpt-5.4",
+      "model": "gpt-5.6-terra",
       "api_keys": ["sk-main"]
     },
     {
diff --git a/docs/guides/routing-guide.zh.md b/docs/guides/routing-guide.zh.md
index 713cbeb043..5ab55db21e 100644
--- a/docs/guides/routing-guide.zh.md
+++ b/docs/guides/routing-guide.zh.md
@@ -70,7 +70,7 @@ PicoClaw 里用户能直接感知到的“路由”主要有两部分：
     {
       "model_name": "gpt-main",
       "provider": "openai",
-      "model": "gpt-5.4",
+      "model": "gpt-5.6-terra",
       "api_keys": ["sk-main"]
     },
     {
diff --git a/docs/migration/model-list-migration.md b/docs/migration/model-list-migration.md
index 4fb37c5806..3263e889bc 100644
--- a/docs/migration/model-list-migration.md
+++ b/docs/migration/model-list-migration.md
@@ -40,7 +40,7 @@ The new `model_list` configuration offers several advantages:
   "agents": {
     "defaults": {
       "provider": "openai",
-      "model": "gpt-5.4"
+      "model": "gpt-5.6-terra"
     }
   }
 }
@@ -55,20 +55,20 @@ The new `model_list` configuration offers several advantages:
     {
       "model_name": "gpt4",
       "provider": "openai",
-      "model": "gpt-5.4",
+      "model": "gpt-5.6-terra",
       "api_keys": ["sk-your-openai-key"],
       "api_base": "https://api.openai.com/v1"
     },
     {
-      "model_name": "claude-sonnet-4.6",
+      "model_name": "claude-sonnet-5",
       "provider": "anthropic",
-      "model": "claude-sonnet-4.6",
+      "model": "claude-sonnet-5",
       "api_keys": ["sk-ant-your-key"]
     },
     {
       "model_name": "deepseek",
       "provider": "deepseek",
-      "model": "deepseek-chat",
+      "model": "deepseek-v4-flash",
       "api_keys": ["sk-your-deepseek-key"]
     }
   ],
@@ -89,7 +89,7 @@ Preferred format:
 ```json
 {
   "provider": "openai",
-  "model": "gpt-5.4"
+  "model": "gpt-5.6-terra"
 }
 ```
 
@@ -97,7 +97,7 @@ Legacy compatibility format:
 
 ```json
 {
-  "model": "openai/gpt-5.4"
+  "model": "openai/gpt-5.6-terra"
 }
 ```
 
@@ -110,8 +110,8 @@ Examples:
 
 | Config | Resolved Provider | Model Sent Upstream |
 |--------|-------------------|---------------------|
-| `"provider": "openai", "model": "gpt-5.4"` | `openai` | `gpt-5.4` |
-| `"model": "openai/gpt-5.4"` | `openai` | `gpt-5.4` |
+| `"provider": "openai", "model": "gpt-5.6-terra"` | `openai` | `gpt-5.6-terra` |
+| `"model": "openai/gpt-5.6-terra"` | `openai` | `gpt-5.6-terra` |
 | `"provider": "openrouter", "model": "google/gemini-2.0-flash-exp:free"` | `openrouter` | `google/gemini-2.0-flash-exp:free` |
 | `"model": "openrouter/google/gemini-2.0-flash-exp:free"` | `openrouter` | `google/gemini-2.0-flash-exp:free` |
 
@@ -146,7 +146,7 @@ There are two ways to configure load balancing:
     {
       "model_name": "gpt4",
       "provider": "openai",
-      "model": "gpt-5.4",
+      "model": "gpt-5.6-terra",
       "api_keys": ["sk-key1", "sk-key2", "sk-key3"],
       "api_base": "https://api.openai.com/v1"
     }
@@ -173,21 +173,21 @@ model_list:
     {
       "model_name": "gpt4",
       "provider": "openai",
-      "model": "gpt-5.4",
+      "model": "gpt-5.6-terra",
       "api_keys": ["sk-key1"],
       "api_base": "https://api1.example.com/v1"
     },
     {
       "model_name": "gpt4",
       "provider": "openai",
-      "model": "gpt-5.4",
+      "model": "gpt-5.6-terra",
       "api_keys": ["sk-key2"],
       "api_base": "https://api2.example.com/v1"
     },
     {
       "model_name": "gpt4",
       "provider": "openai",
-      "model": "gpt-5.4",
+      "model": "gpt-5.6-terra",
       "api_keys": ["sk-key3"],
       "api_base": "https://api3.example.com/v1"
     }
diff --git a/docs/project/README.fr.md b/docs/project/README.fr.md
index 9c231404e5..86a102201b 100644
--- a/docs/project/README.fr.md
+++ b/docs/project/README.fr.md
@@ -370,13 +370,13 @@ Cela crée `~/.picoclaw/config.json` et le répertoire workspace.
   "version": 3,
   "agents": {
     "defaults": {
-      "model_name": "gpt-5.4"
+      "model_name": "gpt-5.6-terra"
     }
   },
   "model_list": [
     {
-      "model_name": "gpt-5.4",
-      "model": "openai/gpt-5.4",
+      "model_name": "gpt-5.6-terra",
+      "model": "openai/gpt-5.6-terra",
       "api_keys": ["sk-your-api-key"]
     }
   ]
diff --git a/docs/project/README.id.md b/docs/project/README.id.md
index 8d95142564..49bb9d7dad 100644
--- a/docs/project/README.id.md
+++ b/docs/project/README.id.md
@@ -366,13 +366,13 @@ Ini membuat `~/.picoclaw/config.json` dan direktori workspace.
   "version": 3,
   "agents": {
     "defaults": {
-      "model_name": "gpt-5.4"
+      "model_name": "gpt-5.6-terra"
     }
   },
   "model_list": [
     {
-      "model_name": "gpt-5.4",
-      "model": "openai/gpt-5.4",
+      "model_name": "gpt-5.6-terra",
+      "model": "openai/gpt-5.6-terra",
       "api_keys": ["sk-your-api-key"]
     }
   ]
diff --git a/docs/project/README.it.md b/docs/project/README.it.md
index 1be3fdc5a1..8979798697 100644
--- a/docs/project/README.it.md
+++ b/docs/project/README.it.md
@@ -366,13 +366,13 @@ Questo crea `~/.picoclaw/config.json` e la directory workspace.
   "version": 3,
   "agents": {
     "defaults": {
-      "model_name": "gpt-5.4"
+      "model_name": "gpt-5.6-terra"
     }
   },
   "model_list": [
     {
-      "model_name": "gpt-5.4",
-      "model": "openai/gpt-5.4",
+      "model_name": "gpt-5.6-terra",
+      "model": "openai/gpt-5.6-terra",
       "api_keys": ["sk-your-api-key"]
     }
   ]
diff --git a/docs/project/README.ja.md b/docs/project/README.ja.md
index 988ddfbe60..4f559a87e3 100644
--- a/docs/project/README.ja.md
+++ b/docs/project/README.ja.md
@@ -367,13 +367,13 @@ picoclaw onboard
   "version": 3,
   "agents": {
     "defaults": {
-      "model_name": "gpt-5.4"
+      "model_name": "gpt-5.6-terra"
     }
   },
   "model_list": [
     {
-      "model_name": "gpt-5.4",
-      "model": "openai/gpt-5.4",
+      "model_name": "gpt-5.6-terra",
+      "model": "openai/gpt-5.6-terra",
       "api_keys": ["sk-your-api-key"]
     }
   ]
diff --git a/docs/project/README.ko.md b/docs/project/README.ko.md
index 058dc41592..bc79b85ab5 100644
--- a/docs/project/README.ko.md
+++ b/docs/project/README.ko.md
@@ -365,13 +365,13 @@ picoclaw onboard
 {
   "agents": {
     "defaults": {
-      "model_name": "gpt-5.4"
+      "model_name": "gpt-5.6-terra"
     }
   },
   "model_list": [
     {
-      "model_name": "gpt-5.4",
-      "model": "openai/gpt-5.4",
+      "model_name": "gpt-5.6-terra",
+      "model": "openai/gpt-5.6-terra",
       // api_key는 이제 .security.yml에서 로드됩니다.
     }
   ]
diff --git a/docs/project/README.ms.md b/docs/project/README.ms.md
index 4428726785..e7e34d9ca1 100644
--- a/docs/project/README.ms.md
+++ b/docs/project/README.ms.md
@@ -362,13 +362,13 @@ Ini mencipta `~/.picoclaw/config.json` dan direktori ruang kerja.
 {
   "agents": {
     "defaults": {
-      "model_name": "gpt-5.4"
+      "model_name": "gpt-5.6-terra"
     }
   },
   "model_list": [
     {
-      "model_name": "gpt-5.4",
-      "model": "openai/gpt-5.4"
+      "model_name": "gpt-5.6-terra",
+      "model": "openai/gpt-5.6-terra"
     }
   ]
 }
diff --git a/docs/project/README.pt-br.md b/docs/project/README.pt-br.md
index f8a6d91417..2b25e98d83 100644
--- a/docs/project/README.pt-br.md
+++ b/docs/project/README.pt-br.md
@@ -367,13 +367,13 @@ Isso cria `~/.picoclaw/config.json` e o diretório workspace.
   "version": 3,
   "agents": {
     "defaults": {
-      "model_name": "gpt-5.4"
+      "model_name": "gpt-5.6-terra"
     }
   },
   "model_list": [
     {
-      "model_name": "gpt-5.4",
-      "model": "openai/gpt-5.4",
+      "model_name": "gpt-5.6-terra",
+      "model": "openai/gpt-5.6-terra",
       "api_keys": ["sk-your-api-key"]
     }
   ]
diff --git a/docs/project/README.vi.md b/docs/project/README.vi.md
index 1e592dee0e..6b4d66fef8 100644
--- a/docs/project/README.vi.md
+++ b/docs/project/README.vi.md
@@ -367,13 +367,13 @@ Lệnh này tạo `~/.picoclaw/config.json` và thư mục workspace.
   "version": 3,
   "agents": {
     "defaults": {
-      "model_name": "gpt-5.4"
+      "model_name": "gpt-5.6-terra"
     }
   },
   "model_list": [
     {
-      "model_name": "gpt-5.4",
-      "model": "openai/gpt-5.4",
+      "model_name": "gpt-5.6-terra",
+      "model": "openai/gpt-5.6-terra",
       "api_keys": ["sk-your-api-key"]
     }
   ]
diff --git a/docs/project/README.zh.md b/docs/project/README.zh.md
index b030d55c10..b5fffa61ff 100644
--- a/docs/project/README.zh.md
+++ b/docs/project/README.zh.md
@@ -367,13 +367,13 @@ picoclaw onboard
   "version": 3,
   "agents": {
     "defaults": {
-      "model_name": "gpt-5.4"
+      "model_name": "gpt-5.6-terra"
     }
   },
   "model_list": [
     {
-      "model_name": "gpt-5.4",
-      "model": "openai/gpt-5.4",
+      "model_name": "gpt-5.6-terra",
+      "model": "openai/gpt-5.6-terra",
       "api_keys": ["sk-your-api-key"]
     }
   ]
diff --git a/docs/reference/config-versioning.md b/docs/reference/config-versioning.md
index 871c6f5138..7e13f657da 100644
--- a/docs/reference/config-versioning.md
+++ b/docs/reference/config-versioning.md
@@ -231,8 +231,8 @@ Old config (version 3):
   "version": 3,
   "model_list": [
     {
-      "model_name": "gpt-5.4",
-      "model": "openai/gpt-5.4"
+      "model_name": "gpt-5.6-terra",
+      "model": "openai/gpt-5.6-terra"
     }
   ]
 }
@@ -257,8 +257,8 @@ New config (version 3):
   "version": 3,
   "model_list": [
     {
-      "model_name": "gpt-5.4",
-      "model": "openai/gpt-5.4",
+      "model_name": "gpt-5.6-terra",
+      "model": "openai/gpt-5.6-terra",
       "new_option": true
     }
   ]
diff --git a/docs/security/security_configuration.md b/docs/security/security_configuration.md
index 4b5e4fe619..6e56b2d483 100644
--- a/docs/security/security_configuration.md
+++ b/docs/security/security_configuration.md
@@ -37,11 +37,11 @@ The security configuration works through **direct field mapping**, NOT through `
 # All models MUST use `api_keys` (plural) array format
 # Even a single key must be provided as an array with one element
 model_list:
-  gpt-5.4:
+  gpt-5.6-terra:
     api_keys:
       - "sk-proj-your-actual-openai-key-1"
       - "sk-proj-your-actual-openai-key-2"  # Optional: Multiple keys for failover
-  claude-sonnet-4.6:
+  claude-sonnet-5:
     api_keys:
       - "sk-ant-your-actual-anthropic-key"  # Single key in array format
 
@@ -149,8 +149,8 @@ You can now remove sensitive fields from `config.json` since they're loaded from
 {
   "model_list": [
     {
-      "model_name": "gpt-5.4",
-      "model": "openai/gpt-5.4",
+      "model_name": "gpt-5.6-terra",
+      "model": "openai/gpt-5.6-terra",
       "api_base": "https://api.openai.com/v1",
       "api_keys": ["sk-your-actual-api-key-here"]
     }
@@ -170,8 +170,8 @@ You can now remove sensitive fields from `config.json` since they're loaded from
 {
   "model_list": [
     {
-      "model_name": "gpt-5.4",
-      "model": "openai/gpt-5.4",
+      "model_name": "gpt-5.6-terra",
+      "model": "openai/gpt-5.6-terra",
       "api_base": "https://api.openai.com/v1"
       // api_key is now loaded from .security.yml
     }
@@ -209,7 +209,7 @@ model_list:
 **Mapping:**
 - Field `api_keys` (array) maps to the model's API keys
 - The `<model_name>` must match the `model_name` field in `config.json`
-- Supports indexed names (e.g., "gpt-5.4:0") - the system will also try the base name ("gpt-5.4")
+- Supports indexed names (e.g., "gpt-5.6-terra:0") - the system will also try the base name ("gpt-5.6-terra")
 
 ### Channels
 
@@ -295,7 +295,7 @@ skills:
 Use array format with one element:
 ```yaml
 model_list:
-  gpt-5.4:
+  gpt-5.6-terra:
     api_keys:
       - "sk-your-key"
 ```
@@ -305,7 +305,7 @@ model_list:
 Use array format with multiple elements:
 ```yaml
 model_list:
-  gpt-5.4:
+  gpt-5.6-terra:
     api_keys:
       - "sk-your-key-1"
       - "sk-your-key-2"
@@ -363,14 +363,14 @@ The system supports intelligent model name matching in `.security.yml`:
 **config.json:**
 ```json
 {
-  "model_name": "gpt-5.4:0"
+  "model_name": "gpt-5.6-terra:0"
 }
 ```
 
 **.security.yml (exact match with index):**
 ```yaml
 model_list:
-  gpt-5.4:0:
+  gpt-5.6-terra:0:
     api_keys: ["key-1"]
 ```
 
@@ -379,14 +379,14 @@ model_list:
 **config.json:**
 ```json
 {
-  "model_name": "gpt-5.4:0"
+  "model_name": "gpt-5.6-terra:0"
 }
 ```
 
 **.security.yml (base name without index):**
 ```yaml
 model_list:
-  gpt-5.4:
+  gpt-5.6-terra:
     api_keys: ["key-1", "key-2"]
 ```
 
@@ -480,18 +480,18 @@ Returns the path to `.security.yml` relative to the config file.
   "agents": {
     "defaults": {
       "workspace": "~/picoclaw-workspace",
-      "model_name": "gpt-5.4"
+      "model_name": "gpt-5.6-terra"
     }
   },
   "model_list": [
     {
-      "model_name": "gpt-5.4",
-      "model": "openai/gpt-5.4",
+      "model_name": "gpt-5.6-terra",
+      "model": "openai/gpt-5.6-terra",
       "api_base": "https://api.openai.com/v1"
     },
     {
-      "model_name": "claude-sonnet-4.6",
-      "model": "anthropic/claude-sonnet-4.6",
+      "model_name": "claude-sonnet-5",
+      "model": "anthropic/claude-sonnet-5",
       "api_base": "https://api.anthropic.com/v1"
     }
   ],
@@ -515,11 +515,11 @@ Returns the path to `.security.yml` relative to the config file.
 
 ```yaml
 model_list:
-  gpt-5.4:
+  gpt-5.6-terra:
     api_keys:
       - "sk-proj-actual-openai-key-1"
       - "sk-proj-actual-openai-key-2"
-  claude-sonnet-4.6:
+  claude-sonnet-5:
     api_keys:
       - "sk-ant-actual-anthropic-key"
 
@@ -561,7 +561,7 @@ go test ./pkg/config -run TestSecurityConfig
 
 - Ensure the model name in `config.json` matches exactly in `.security.yml`
 - Check that the `model_list` section exists in `.security.yml`
-- For models with indexed names (e.g., "gpt-5.4:0"), ensure the exact name is used or check the base name without index
+- For models with indexed names (e.g., "gpt-5.6-terra:0"), ensure the exact name is used or check the base name without index
 - Verify the YAML structure is correct (proper indentation)
 
 ### Multiple API Keys Not Working
@@ -660,7 +660,7 @@ SaveConfig(path, config)
 Encrypted keys are stored as:
 ```yaml
 model_list:
-  gpt-5.4:
+  gpt-5.6-terra:
     api_keys:
       - "enc://encrypted-base64-string"
 ```
diff --git a/pkg/config/config.go b/pkg/config/config.go
index df232f771a..57bfcaa9e3 100644
--- a/pkg/config/config.go
+++ b/pkg/config/config.go
@@ -778,7 +778,7 @@ func (c ModelStreamingConfig) IsZero() bool {
 // ModelConfig represents a model-centric provider configuration.
 // It allows adding new providers (especially OpenAI-compatible ones) via configuration only.
 // The Model field may be either a plain model identifier or a provider-prefixed
-// identifier such as "openai/gpt-5.4" or "nvidia/z-ai/glm-5.1".
+// identifier such as "openai/gpt-5.6-terra" or "nvidia/z-ai/glm-5.1".
 // Supported providers include openai, anthropic, antigravity, claude-cli,
 // codex-cli, github-copilot, and named OpenAI-compatible protocols such as
 // groq, deepseek, modelscope, and novita.
diff --git a/pkg/config/config_old.go b/pkg/config/config_old.go
index c196204270..e5f6c4a4ff 100644
--- a/pkg/config/config_old.go
+++ b/pkg/config/config_old.go
@@ -42,7 +42,7 @@ func v0ProvidersMapToModelList(providers map[string]any, userProvider, userModel
 		{
 			jsonKeys: []string{"openai", "gpt"},
 			protocol: "openai",
-			defModel: "openai/gpt-5.4",
+			defModel: "openai/gpt-5.6-terra",
 			extractFn: func(prov map[string]any) map[string]any {
 				entry := make(map[string]any)
 				if v, ok := prov["api_key"]; ok && v != "" {
@@ -69,7 +69,7 @@ func v0ProvidersMapToModelList(providers map[string]any, userProvider, userModel
 		{
 			jsonKeys: []string{"anthropic", "claude"},
 			protocol: "anthropic",
-			defModel: "anthropic/claude-sonnet-4.6",
+			defModel: "anthropic/claude-sonnet-5",
 			extractFn: func(prov map[string]any) map[string]any {
 				entry := make(map[string]any)
 				if v, ok := prov["api_key"]; ok && v != "" {
@@ -303,7 +303,7 @@ func v0ProvidersMapToModelList(providers map[string]any, userProvider, userModel
 		{
 			jsonKeys: []string{"deepseek"},
 			protocol: "deepseek",
-			defModel: "deepseek/deepseek-chat",
+			defModel: "deepseek/deepseek-v4-flash",
 			extractFn: func(prov map[string]any) map[string]any {
 				entry := make(map[string]any)
 				if v, ok := prov["api_key"]; ok && v != "" {
@@ -387,7 +387,7 @@ func v0ProvidersMapToModelList(providers map[string]any, userProvider, userModel
 		{
 			jsonKeys: []string{"github_copilot", "copilot"},
 			protocol: "github-copilot",
-			defModel: "github-copilot/gpt-5.4",
+			defModel: "github-copilot/gpt-5.6-terra",
 			extractFn: func(prov map[string]any) map[string]any {
 				entry := make(map[string]any)
 				if v, ok := prov["api_key"]; ok && v != "" {
@@ -504,7 +504,7 @@ func v0ProvidersMapToModelList(providers map[string]any, userProvider, userModel
 		{
 			jsonKeys: []string{"longcat"},
 			protocol: "longcat",
-			defModel: "longcat/LongCat-Flash-Thinking",
+			defModel: "longcat/LongCat-2.0",
 			extractFn: func(prov map[string]any) map[string]any {
 				entry := make(map[string]any)
 				if v, ok := prov["api_key"]; ok && v != "" {
diff --git a/pkg/config/config_test.go b/pkg/config/config_test.go
index 30e7077fb2..08005c171f 100644
--- a/pkg/config/config_test.go
+++ b/pkg/config/config_test.go
@@ -2867,7 +2867,7 @@ func TestDefaultConfig_MinimaxExtraBody(t *testing.T) {
 
 	var minimaxCfg *ModelConfig
 	for i := range cfg.ModelList {
-		if cfg.ModelList[i].Provider == "minimax" && cfg.ModelList[i].Model == "MiniMax-M2.5" {
+		if cfg.ModelList[i].Provider == "minimax" && cfg.ModelList[i].Model == "MiniMax-M3" {
 			minimaxCfg = cfg.ModelList[i]
 			break
 		}
diff --git a/pkg/config/defaults.go b/pkg/config/defaults.go
index 96ce5f0f48..b38ea873d7 100644
--- a/pkg/config/defaults.go
+++ b/pkg/config/defaults.go
@@ -70,33 +70,33 @@ func DefaultConfig() *Config {
 
 			// Zhipu AI (智谱) - https://open.bigmodel.cn/usercenter/apikeys
 			{
-				ModelName: "glm-4.7",
+				ModelName: "glm-5.2",
 				Provider:  "zhipu",
-				Model:     "glm-4.7",
+				Model:     "glm-5.2",
 				APIBase:   "https://open.bigmodel.cn/api/paas/v4",
 			},
 
 			// OpenAI - https://platform.openai.com/api-keys
 			{
-				ModelName: "gpt-5.4",
+				ModelName: "gpt-5.6-terra",
 				Provider:  "openai",
-				Model:     "gpt-5.4",
+				Model:     "gpt-5.6-terra",
 				APIBase:   "https://api.openai.com/v1",
 			},
 
 			// Anthropic Claude - https://console.anthropic.com/settings/keys
 			{
-				ModelName: "claude-sonnet-4.6",
+				ModelName: "claude-sonnet-5",
 				Provider:  "anthropic",
-				Model:     "claude-sonnet-4-6",
+				Model:     "claude-sonnet-5",
 				APIBase:   "https://api.anthropic.com/v1",
 			},
 
 			// DeepSeek - https://platform.deepseek.com/
 			{
-				ModelName: "deepseek-chat",
+				ModelName: "deepseek-v4-flash",
 				Provider:  "deepseek",
-				Model:     "deepseek-chat",
+				Model:     "deepseek-v4-flash",
 				APIBase:   "https://api.deepseek.com/v1",
 			},
 
@@ -126,17 +126,17 @@ func DefaultConfig() *Config {
 
 			// Qwen (通义千问) - https://dashscope.console.aliyun.com/apiKey
 			{
-				ModelName: "qwen-plus",
+				ModelName: "qwen3.7-plus",
 				Provider:  "qwen",
-				Model:     "qwen-plus",
+				Model:     "qwen3.7-plus",
 				APIBase:   "https://dashscope.aliyuncs.com/compatible-mode/v1",
 			},
 
 			// Moonshot (月之暗面) - https://platform.moonshot.cn/console/api-keys
 			{
-				ModelName: "moonshot-v1-8k",
+				ModelName: "kimi-k3",
 				Provider:  "moonshot",
-				Model:     "moonshot-v1-8k",
+				Model:     "kimi-k3",
 				APIBase:   "https://api.moonshot.cn/v1",
 			},
 
@@ -156,9 +156,9 @@ func DefaultConfig() *Config {
 				APIBase:   "https://openrouter.ai/api/v1",
 			},
 			{
-				ModelName: "openrouter-gpt-5.4",
+				ModelName: "openrouter-gpt-5.6-terra",
 				Provider:  "openrouter",
-				Model:     "openai/gpt-5.4",
+				Model:     "openai/gpt-5.6-terra",
 				APIBase:   "https://openrouter.ai/api/v1",
 			},
 
@@ -218,9 +218,9 @@ func DefaultConfig() *Config {
 
 			// GitHub Copilot - https://github.com/settings/tokens
 			{
-				ModelName:  "copilot-gpt-5.4",
+				ModelName:  "copilot-gpt-5.6-terra",
 				Provider:   "github-copilot",
-				Model:      "gpt-5.4",
+				Model:      "gpt-5.6-terra",
 				APIBase:    "http://localhost:4321",
 				AuthMethod: "oauth",
 			},
@@ -257,18 +257,18 @@ func DefaultConfig() *Config {
 
 			// Minimax - https://api.minimaxi.com/
 			{
-				ModelName: "MiniMax-M2.5",
+				ModelName: "MiniMax-M3",
 				Provider:  "minimax",
-				Model:     "MiniMax-M2.5",
+				Model:     "MiniMax-M3",
 				APIBase:   "https://api.minimaxi.com/v1",
 				ExtraBody: map[string]any{"reasoning_split": true},
 			},
 
 			// LongCat - https://longcat.chat/platform
 			{
-				ModelName: "LongCat-Flash-Thinking",
+				ModelName: "LongCat-2.0",
 				Provider:  "longcat",
-				Model:     "LongCat-Flash-Thinking",
+				Model:     "LongCat-2.0",
 				APIBase:   "https://api.longcat.chat/openai",
 			},
 
diff --git a/pkg/config/example_security_usage.go b/pkg/config/example_security_usage.go
index de80f541a4..b78b4859e2 100644
--- a/pkg/config/example_security_usage.go
+++ b/pkg/config/example_security_usage.go
@@ -34,11 +34,11 @@ File: ~/.picoclaw/.security.yml
 # Even a single key must be provided as an array with one element
 model_list:
 
-	gpt-5.4:
+	gpt-5.6-terra:
 	  api_keys:
 	    - "sk-proj-your-actual-openai-key-1"
 	    - "sk-proj-your-actual-openai-key-2"  # Optional: Multiple keys for failover
-	claude-sonnet-4.6:
+	claude-sonnet-5:
 	  api_keys:
 	    - "sk-ant-your-actual-anthropic-key"  # Single key in array format
 
@@ -88,19 +88,19 @@ Note: Sensitive fields are omitted because they're loaded from .security.yml
 	  "agents": {
 	    "defaults": {
 	      "workspace": "~/picoclaw-workspace",
-	      "model_name": "gpt-5.4"
+	      "model_name": "gpt-5.6-terra"
 	    }
 	  },
 	  "model_list": [
 	    {
-	      "model_name": "gpt-5.4",
-	      "model": "openai/gpt-5.4",
+	      "model_name": "gpt-5.6-terra",
+	      "model": "openai/gpt-5.6-terra",
 	      "api_base": "https://api.openai.com/v1"
 	      // api_key is automatically loaded from .security.yml
 	    },
 	    {
-	      "model_name": "claude-sonnet-4.6",
-	      "model": "anthropic/claude-sonnet-4.6",
+	      "model_name": "claude-sonnet-5",
+	      "model": "anthropic/claude-sonnet-5",
 	      "api_base": "https://api.anthropic.com/v1"
 	      // api_key is automatically loaded from .security.yml
 	    }
@@ -178,11 +178,11 @@ Examples:
 ```yaml
 model_list:
 
-	gpt-5.4:
+	gpt-5.6-terra:
 	  api_keys:
 	    - "sk-proj-key-1"
 	    - "sk-proj-key-2"
-	claude-sonnet-4.6:
+	claude-sonnet-5:
 	  api_keys:
 	    - "sk-ant-key"
 
@@ -385,7 +385,7 @@ You can configure multiple API keys for models and web tools to enable:
 ```yaml
 model_list:
 
-	gpt-5.4:
+	gpt-5.6-terra:
 	  api_keys:
 	    - "sk-proj-key-1"
 	    - "sk-proj-key-2"
@@ -399,8 +399,8 @@ model_list:
 	{
 	  "model_list": [
 	    {
-	      "model_name": "gpt-5.4",
-	      "model": "openai/gpt-5.4",
+	      "model_name": "gpt-5.6-terra",
+	      "model": "openai/gpt-5.6-terra",
 	      "api_base": "https://api.openai.com/v1"
 	    }
 	  ]
@@ -453,7 +453,7 @@ web:
 ```yaml
 model_list:
 
-	gpt-5.4:
+	gpt-5.6-terra:
 	  api_keys:
 	    - "sk-proj-your-key"  # Single key in array format
 
@@ -478,7 +478,7 @@ The system supports intelligent model name matching in .security.yml:
 ```json
 
 	{
-	  "model_name": "gpt-5.4:0"
+	  "model_name": "gpt-5.6-terra:0"
 	}
 
 ```
@@ -487,7 +487,7 @@ The system supports intelligent model name matching in .security.yml:
 ```yaml
 model_list:
 
-	gpt-5.4:0:
+	gpt-5.6-terra:0:
 	  api_keys: ["key-1"]
 
 ```
@@ -498,7 +498,7 @@ model_list:
 ```json
 
 	{
-	  "model_name": "gpt-5.4:0"
+	  "model_name": "gpt-5.6-terra:0"
 	}
 
 ```
@@ -507,7 +507,7 @@ model_list:
 ```yaml
 model_list:
 
-	gpt-5.4:
+	gpt-5.6-terra:
 	  api_keys: ["key-1", "key-2"]
 
 ```
@@ -565,7 +565,7 @@ and .security.yml values.
 ## Error: "model security entry not found"
 - Check that the model name in config.json matches exactly in .security.yml
 - Verify the model_list section exists in .security.yml
-- For indexed names (e.g., "gpt-5.4:0"), check both exact match and base name match
+- For indexed names (e.g., "gpt-5.6-terra:0"), check both exact match and base name match
 - Ensure the YAML structure is correct (proper indentation)
 
 ## Multiple API Keys Not Working
diff --git a/pkg/providers/anthropic/provider.go b/pkg/providers/anthropic/provider.go
index 7f0fe53cc5..4a08dcbdf1 100644
--- a/pkg/providers/anthropic/provider.go
+++ b/pkg/providers/anthropic/provider.go
@@ -131,7 +131,7 @@ func (p *Provider) chatStreaming(
 }
 
 func (p *Provider) GetDefaultModel() string {
-	return "claude-sonnet-4.6"
+	return "claude-sonnet-5"
 }
 
 func (p *Provider) BaseURL() string {
diff --git a/pkg/providers/anthropic/provider_test.go b/pkg/providers/anthropic/provider_test.go
index 0cb1a11322..a946c02052 100644
--- a/pkg/providers/anthropic/provider_test.go
+++ b/pkg/providers/anthropic/provider_test.go
@@ -314,8 +314,8 @@ func TestProvider_ChatRoundTrip(t *testing.T) {
 
 func TestProvider_GetDefaultModel(t *testing.T) {
 	p := NewProvider("test-token")
-	if got := p.GetDefaultModel(); got != "claude-sonnet-4.6" {
-		t.Errorf("GetDefaultModel() = %q, want %q", got, "claude-sonnet-4.6")
+	if got := p.GetDefaultModel(); got != "claude-sonnet-5" {
+		t.Errorf("GetDefaultModel() = %q, want %q", got, "claude-sonnet-5")
 	}
 }
 
diff --git a/pkg/providers/anthropic_messages/provider.go b/pkg/providers/anthropic_messages/provider.go
index 3f16849565..3999f3efa9 100644
--- a/pkg/providers/anthropic_messages/provider.go
+++ b/pkg/providers/anthropic_messages/provider.go
@@ -151,7 +151,7 @@ func (p *Provider) Chat(
 
 // GetDefaultModel returns the default model for this provider.
 func (p *Provider) GetDefaultModel() string {
-	return "claude-sonnet-4.6"
+	return "claude-sonnet-5"
 }
 
 // buildRequestBody converts internal message format to Anthropic Messages API format.
diff --git a/pkg/providers/anthropic_messages/provider_test.go b/pkg/providers/anthropic_messages/provider_test.go
index f62fe3d180..49e24d7457 100644
--- a/pkg/providers/anthropic_messages/provider_test.go
+++ b/pkg/providers/anthropic_messages/provider_test.go
@@ -388,7 +388,7 @@ func TestNewProvider(t *testing.T) {
 func TestGetDefaultModel(t *testing.T) {
 	provider := NewProvider("test-key", "", "")
 	got := provider.GetDefaultModel()
-	expected := "claude-sonnet-4.6"
+	expected := "claude-sonnet-5"
 	if got != expected {
 		t.Errorf("GetDefaultModel() = %q, want %q", got, expected)
 	}
diff --git a/pkg/providers/oauth/claude_provider_test.go b/pkg/providers/oauth/claude_provider_test.go
index eea5423c34..5d42d789ca 100644
--- a/pkg/providers/oauth/claude_provider_test.go
+++ b/pkg/providers/oauth/claude_provider_test.go
@@ -66,8 +66,8 @@ func TestClaudeProvider_ChatRoundTrip(t *testing.T) {
 
 func TestClaudeProvider_GetDefaultModel(t *testing.T) {
 	p := NewClaudeProvider("test-token")
-	if got := p.GetDefaultModel(); got != "claude-sonnet-4.6" {
-		t.Errorf("GetDefaultModel() = %q, want %q", got, "claude-sonnet-4.6")
+	if got := p.GetDefaultModel(); got != "claude-sonnet-5" {
+		t.Errorf("GetDefaultModel() = %q, want %q", got, "claude-sonnet-5")
 	}
 }
 
diff --git a/pkg/providers/provider_metadata.go b/pkg/providers/provider_metadata.go
index 90a2206b84..bcdb021bf8 100644
--- a/pkg/providers/provider_metadata.go
+++ b/pkg/providers/provider_metadata.go
@@ -35,7 +35,7 @@ var modelProviderOptionsByName = map[string]ModelProviderOption{
 		DefaultModelAllowed: true,
 		SupportsFetch:       true,
 		Priority:            100,
-		CommonModels:        []string{"gpt-5.4", "gpt-5.4-mini", "gpt-5.5"},
+		CommonModels:        []string{"gpt-5.6-terra", "gpt-5.6-luna", "gpt-5.6-sol"},
 		Aliases:             []string{"gpt"},
 		httpAPI:             true,
 	},
@@ -48,7 +48,7 @@ var modelProviderOptionsByName = map[string]ModelProviderOption{
 		CreateAllowed:       true,
 		DefaultModelAllowed: true,
 		Priority:            95,
-		CommonModels:        []string{"claude-opus-4-7", "claude-sonnet-4-6", "claude-haiku-4-5"},
+		CommonModels:        []string{"claude-fable-5", "claude-opus-4-8", "claude-sonnet-5", "claude-haiku-4-5"},
 		Aliases:             []string{"claude"},
 		httpAPI:             true,
 	},
@@ -61,7 +61,7 @@ var modelProviderOptionsByName = map[string]ModelProviderOption{
 		CreateAllowed:       true,
 		DefaultModelAllowed: true,
 		Priority:            94,
-		CommonModels:        []string{"claude-opus-4-7", "claude-sonnet-4-6", "claude-haiku-4-5"},
+		CommonModels:        []string{"claude-fable-5", "claude-opus-4-8", "claude-sonnet-5", "claude-haiku-4-5"},
 		httpAPI:             true,
 	},
 	"gemini": {
@@ -73,7 +73,7 @@ var modelProviderOptionsByName = map[string]ModelProviderOption{
 		CreateAllowed:       true,
 		DefaultModelAllowed: true,
 		Priority:            90,
-		CommonModels:        []string{"gemini-3.1-pro-preview", "gemini-3-flash-preview", "gemini-3.1-flash-lite"},
+		CommonModels:        []string{"gemini-3.1-pro-preview", "gemini-3.5-flash", "gemini-3.1-flash-lite"},
 		Aliases:             []string{"google"},
 		httpAPI:             true,
 	},
@@ -101,8 +101,8 @@ var modelProviderOptionsByName = map[string]ModelProviderOption{
 		SupportsFetch:       true,
 		Priority:            80,
 		CommonModels: []string{
-			"openai/gpt-5.4",
-			"anthropic/claude-opus-4.7",
+			"openai/gpt-5.6-terra",
+			"anthropic/claude-sonnet-5",
 			"google/gemini-3.1-pro-preview",
 			"qwen/qwen3-coder-next",
 		},
@@ -118,7 +118,7 @@ var modelProviderOptionsByName = map[string]ModelProviderOption{
 		DefaultModelAllowed: true,
 		SupportsFetch:       true,
 		Priority:            75,
-		CommonModels:        []string{"qwen3.6-max-preview", "qwen3.6-plus", "qwen3.6-flash", "qwen3-coder-next"},
+		CommonModels:        []string{"qwen3.7-max", "qwen3.7-plus", "qwen3.6-flash"},
 		Aliases:             []string{"qwen"},
 		httpAPI:             true,
 	},
@@ -132,7 +132,7 @@ var modelProviderOptionsByName = map[string]ModelProviderOption{
 		DefaultModelAllowed: true,
 		SupportsFetch:       true,
 		Priority:            74,
-		CommonModels:        []string{"qwen3.6-max-preview", "qwen3.6-plus", "qwen3.6-flash", "qwen3-coder-next"},
+		CommonModels:        []string{"qwen3.7-max", "qwen3.7-plus", "qwen3.6-flash"},
 		Aliases:             []string{"qwen-international", "dashscope-intl"},
 		httpAPI:             true,
 	},
@@ -146,10 +146,10 @@ var modelProviderOptionsByName = map[string]ModelProviderOption{
 		SupportsFetch:       true,
 		Priority:            70,
 		CommonModels: []string{
-			"kimi-k2.5",
-			"kimi-k2-thinking",
-			"kimi-k2-thinking-turbo",
-			"kimi-k2-turbo-preview",
+			"kimi-k3",
+			"kimi-k2.7-code",
+			"kimi-k2.7-code-highspeed",
+			"kimi-k2.6",
 		},
 		httpAPI: true,
 	},
@@ -180,7 +180,7 @@ var modelProviderOptionsByName = map[string]ModelProviderOption{
 		DefaultModelAllowed: true,
 		SupportsFetch:       true,
 		Priority:            68,
-		CommonModels:        []string{"glm-5", "glm-4.7", "glm-4.5-air", "glm-4-flash-250414"},
+		CommonModels:        []string{"glm-5.2", "glm-4.5-air", "glm-4.7-flash"},
 		Aliases:             []string{"glm"},
 		httpAPI:             true,
 	},
@@ -515,7 +515,7 @@ var modelProviderOptionsByName = map[string]ModelProviderOption{
 		DefaultModelAllowed: true,
 		SupportsFetch:       true,
 		Priority:            37,
-		CommonModels:        []string{"glm-5", "glm-4.7", "glm-4.5-air", "glm-4-flash-250414"},
+		CommonModels:        []string{"glm-5.2", "glm-4.5-air", "glm-4.7-flash"},
 		Aliases:             []string{"z.ai", "z-ai"},
 		httpAPI:             true,
 	},
@@ -528,7 +528,7 @@ var modelProviderOptionsByName = map[string]ModelProviderOption{
 		CreateAllowed:       true,
 		DefaultModelAllowed: true,
 		Priority:            36.5,
-		CommonModels:        []string{"qwen3.6-plus", "kimi-k2.5", "glm-5", "MiniMax-M2.5"},
+		CommonModels:        []string{"qwen3.7-plus", "kimi-k3", "glm-5.2", "MiniMax-M3"},
 		Aliases:             []string{"coding-plan", "qwen-coding"},
 		httpAPI:             true,
 	},
@@ -541,7 +541,7 @@ var modelProviderOptionsByName = map[string]ModelProviderOption{
 		CreateAllowed:       true,
 		DefaultModelAllowed: true,
 		Priority:            36.25,
-		CommonModels:        []string{"qwen3.6-plus", "kimi-k2.5", "glm-5", "MiniMax-M2.5"},
+		CommonModels:        []string{"qwen3.7-plus", "kimi-k3", "glm-5.2", "MiniMax-M3"},
 		Aliases:             []string{"coding-plan-anthropic"},
 		httpAPI:             true,
 	},
@@ -576,7 +576,7 @@ var modelProviderOptionsByName = map[string]ModelProviderOption{
 		CreateAllowed:       true,
 		DefaultModelAllowed: true,
 		Priority:            34,
-		CommonModels:        []string{"qwen3.6-max-preview", "qwen3.6-plus", "qwen3.6-flash", "qwen3-coder-next"},
+		CommonModels:        []string{"qwen3.7-max", "qwen3.7-plus", "qwen3.6-flash"},
 		Aliases:             []string{"dashscope-us"},
 		httpAPI:             true,
 	},
diff --git a/web/backend/api/oauth.go b/web/backend/api/oauth.go
index 7586a45b11..3d09c644e8 100644
--- a/web/backend/api/oauth.go
+++ b/web/backend/api/oauth.go
@@ -777,16 +777,16 @@ func defaultModelConfigForProvider(provider, authMethod string) *config.ModelCon
 	switch provider {
 	case oauthProviderOpenAI:
 		return &config.ModelConfig{
-			ModelName:  "gpt-5.4",
+			ModelName:  "gpt-5.6-terra",
 			Provider:   "openai",
-			Model:      "gpt-5.4",
+			Model:      "gpt-5.6-terra",
 			AuthMethod: authMethod,
 		}
 	case oauthProviderAnthropic:
 		return &config.ModelConfig{
-			ModelName:  "claude-sonnet-4.6",
+			ModelName:  "claude-sonnet-5",
 			Provider:   "anthropic",
-			Model:      "claude-sonnet-4.6",
+			Model:      "claude-sonnet-5",
 			AuthMethod: authMethod,
 		}
 	case oauthProviderGoogleAntigravity:
diff --git a/web/frontend/src/i18n/locales/bn-in.json b/web/frontend/src/i18n/locales/bn-in.json
index 0af20a7362..27b4b0f9a3 100644
--- a/web/frontend/src/i18n/locales/bn-in.json
+++ b/web/frontend/src/i18n/locales/bn-in.json
@@ -278,7 +278,7 @@
       "modelNameHint": "কথোপকথনে এই মডেলটি চিহ্নিত করতে ব্যবহৃত একটি ছোট নাম।",
       "modelId": "মডেল শনাক্তকারী",
       "modelIdPlaceholder": "যেমন gpt-4o বা openai/gpt-4o",
-      "modelIdHint": "এই ক্ষেত্রটি নির্বাচিত প্রোভাইডারের জন্য canonical মডেল ID হিসেবে বিবেচিত হয়। যদি শনাক্তকারীতে নিজেই একটি স্ল্যাশ থাকে (উদাহরণস্বরূপ openai/gpt-5.4), তবে এটি অপরিবর্তিত রাখা হয় এবং আবার বিভক্ত করা হয় না।",
+      "modelIdHint": "এই ক্ষেত্রটি নির্বাচিত প্রোভাইডারের জন্য canonical মডেল ID হিসেবে বিবেচিত হয়। যদি শনাক্তকারীতে নিজেই একটি স্ল্যাশ থাকে (উদাহরণস্বরূপ openai/gpt-5.6-terra), তবে এটি অপরিবর্তিত রাখা হয় এবং আবার বিভক্ত করা হয় না।",
       "errorRequired": "এই ক্ষেত্রটি প্রয়োজনীয়।",
       "errorDuplicateModelName": "মডেল এলিয়াস ইতিমধ্যে বিদ্যমান। অনুগ্রহ করে একটি ভিন্ন নাম ব্যবহার করুন।",
       "saveError": "মডেল যোগ করতে ব্যর্থ",
diff --git a/web/frontend/src/i18n/locales/en.json b/web/frontend/src/i18n/locales/en.json
index 83ee7f7e35..193b620600 100644
--- a/web/frontend/src/i18n/locales/en.json
+++ b/web/frontend/src/i18n/locales/en.json
@@ -279,7 +279,7 @@
       "modelNameHint": "A short name used to identify this model in conversations.",
       "modelId": "Model Identifier",
       "modelIdPlaceholder": "e.g. gpt-4o or openai/gpt-4o",
-      "modelIdHint": "This field is treated as the canonical model ID for the selected provider. If the identifier itself contains a slash (for example openai/gpt-5.4), it is preserved as-is and not split again.",
+      "modelIdHint": "This field is treated as the canonical model ID for the selected provider. If the identifier itself contains a slash (for example openai/gpt-5.6-terra), it is preserved as-is and not split again.",
       "errorRequired": "This field is required.",
       "errorDuplicateModelName": "Model alias already exists. Please use a different name.",
       "saveError": "Failed to add model",
diff --git a/web/frontend/src/i18n/locales/pt-br.json b/web/frontend/src/i18n/locales/pt-br.json
index 4ec805e70c..6089279570 100644
--- a/web/frontend/src/i18n/locales/pt-br.json
+++ b/web/frontend/src/i18n/locales/pt-br.json
@@ -279,7 +279,7 @@
       "modelNameHint": "Um nome curto usado para identificar este modelo nas conversas.",
       "modelId": "Identificador do Modelo",
       "modelIdPlaceholder": "ex: gpt-4o ou openai/gpt-4o",
-      "modelIdHint": "Este campo é tratado como o ID canônico do modelo para o provedor selecionado. Se o próprio identificador contiver uma barra, como openai/gpt-5.4, ele será preservado como está e não será dividido novamente.",
+      "modelIdHint": "Este campo é tratado como o ID canônico do modelo para o provedor selecionado. Se o próprio identificador contiver uma barra, como openai/gpt-5.6-terra, ele será preservado como está e não será dividido novamente.",
       "errorRequired": "Este campo é obrigatório.",
       "errorDuplicateModelName": "Apelido de modelo já existe. Use um nome diferente.",
       "saveError": "Falha ao adicionar modelo",
diff --git a/web/frontend/src/i18n/locales/zh.json b/web/frontend/src/i18n/locales/zh.json
index fa8763db8d..40bc801f03 100644
--- a/web/frontend/src/i18n/locales/zh.json
+++ b/web/frontend/src/i18n/locales/zh.json
@@ -279,7 +279,7 @@
       "modelNameHint": "用于在对话中识别此模型的简短名称。",
       "modelId": "模型标识符",
       "modelIdPlaceholder": "例如 gpt-4o 或 openai/gpt-4o",
-      "modelIdHint": "此字段将作为所选 Provider 的规范模型 ID 使用。若模型标识符本身包含斜杠（如 openai/gpt-5.4），将作为完整 ID 保留，不会再次拆分 Provider。",
+      "modelIdHint": "此字段将作为所选 Provider 的规范模型 ID 使用。若模型标识符本身包含斜杠（如 openai/gpt-5.6-terra），将作为完整 ID 保留，不会再次拆分 Provider。",
       "errorRequired": "此字段为必填项。",
       "errorDuplicateModelName": "模型别名已存在，请使用其他名称。",
       "saveError": "添加模型失败",
diff --git a/workspace/skills/summarize/SKILL.md b/workspace/skills/summarize/SKILL.md
index ca7008e7af..396649813d 100644
--- a/workspace/skills/summarize/SKILL.md
+++ b/workspace/skills/summarize/SKILL.md
@@ -20,8 +20,8 @@ Use this skill immediately when the user asks any of:
 ## Quick start
 
 ```bash
-summarize "https://example.com" --model google/gemini-3-flash-preview
-summarize "/path/to/file.pdf" --model google/gemini-3-flash-preview
+summarize "https://example.com" --model google/gemini-3.5-flash
+summarize "/path/to/file.pdf" --model google/gemini-3.5-flash
 summarize "https://youtu.be/dQw4w9WgXcQ" --youtube auto
 ```
 
@@ -43,7 +43,7 @@ Set the API key for your chosen provider:
 - xAI: `XAI_API_KEY`
 - Google: `GEMINI_API_KEY` (aliases: `GOOGLE_GENERATIVE_AI_API_KEY`, `GOOGLE_API_KEY`)
 
-Default model is `google/gemini-3-flash-preview` if none is set.
+Default model is `google/gemini-3.5-flash` if none is set.
 
 ## Useful flags
 
@@ -59,7 +59,7 @@ Default model is `google/gemini-3-flash-preview` if none is set.
 Optional config file: `~/.summarize/config.json`
 
 ```json
-{ "model": "openai/gpt-5.4" }
+{ "model": "openai/gpt-5.6-terra" }
 ```
 
 Optional services: