diff --git a/agent/agent.go b/agent/agent.go
index 385dd090b8..5bea064ffa 100644
--- a/agent/agent.go
+++ b/agent/agent.go
@@ -337,7 +337,7 @@ func resolveModelRuntimeConfig(provider, customAPIURL, customModelName, fallback
 		"deepseek": {url: "https://api.deepseek.com/v1", model: "deepseek-chat"},
 		"qwen":     {url: "https://dashscope.aliyuncs.com/compatible-mode/v1", model: "qwen3-max"},
 		"openai":   {url: "https://api.openai.com/v1", model: "gpt-5.2"},
-		"claude":   {url: "https://api.anthropic.com/v1", model: "claude-opus-4-6"},
+		"claude":   {url: "https://api.anthropic.com/v1", model: "claude-opus-4-8"},
 		"gemini":   {url: "https://generativelanguage.googleapis.com/v1beta/openai", model: "gemini-3-pro-preview"},
 		"grok":     {url: "https://api.x.ai/v1", model: "grok-3-latest"},
 		"kimi":     {url: "https://api.moonshot.ai/v1", model: "moonshot-v1-auto"},
diff --git a/agent/model_provider_catalog.go b/agent/model_provider_catalog.go
index a42eedc6c4..ac28a82bfb 100644
--- a/agent/model_provider_catalog.go
+++ b/agent/model_provider_catalog.go
@@ -23,7 +23,7 @@ func supportedModelProviders() []modelProviderSpec {
 		{ID: "deepseek", DisplayName: "DeepSeek", DefaultModel: "deepseek-chat", CredentialLabelZH: "API Key", CredentialLabelEN: "API key", SupportsCustomAPIURL: true, SupportsCustomModel: true},
 		{ID: "qwen", DisplayName: "Qwen", DefaultModel: "qwen3-max", CredentialLabelZH: "API Key", CredentialLabelEN: "API key", SupportsCustomAPIURL: true, SupportsCustomModel: true},
 		{ID: "openai", DisplayName: "OpenAI", DefaultModel: "gpt-5.1", CredentialLabelZH: "API Key", CredentialLabelEN: "API key", SupportsCustomAPIURL: true, SupportsCustomModel: true},
-		{ID: "claude", DisplayName: "Claude", DefaultModel: "claude-opus-4-6", CredentialLabelZH: "API Key", CredentialLabelEN: "API key", SupportsCustomAPIURL: true, SupportsCustomModel: true},
+		{ID: "claude", DisplayName: "Claude", DefaultModel: "claude-opus-4-8", CredentialLabelZH: "API Key", CredentialLabelEN: "API key", SupportsCustomAPIURL: true, SupportsCustomModel: true},
 		{ID: "gemini", DisplayName: "Google Gemini", DefaultModel: "gemini-3-pro-preview", CredentialLabelZH: "API Key", CredentialLabelEN: "API key", SupportsCustomAPIURL: true, SupportsCustomModel: true},
 		{ID: "grok", DisplayName: "Grok (xAI)", DefaultModel: "grok-3-latest", CredentialLabelZH: "API Key", CredentialLabelEN: "API key", SupportsCustomAPIURL: true, SupportsCustomModel: true},
 		{ID: "kimi", DisplayName: "Kimi (Moonshot)", DefaultModel: "moonshot-v1-auto", CredentialLabelZH: "API Key", CredentialLabelEN: "API key", SupportsCustomAPIURL: true, SupportsCustomModel: true},
diff --git a/api/handler_ai_model.go b/api/handler_ai_model.go
index a114520df8..6c5fbbea28 100644
--- a/api/handler_ai_model.go
+++ b/api/handler_ai_model.go
@@ -242,7 +242,7 @@ func (s *Server) handleGetSupportedModels(c *gin.Context) {
 		{"id": "deepseek", "name": "DeepSeek", "provider": "deepseek", "defaultModel": "deepseek-chat"},
 		{"id": "qwen", "name": "Qwen", "provider": "qwen", "defaultModel": "qwen3-max"},
 		{"id": "openai", "name": "OpenAI", "provider": "openai", "defaultModel": "gpt-5.1"},
-		{"id": "claude", "name": "Claude", "provider": "claude", "defaultModel": "claude-opus-4-6"},
+		{"id": "claude", "name": "Claude", "provider": "claude", "defaultModel": "claude-opus-4-8"},
 		{"id": "gemini", "name": "Google Gemini", "provider": "gemini", "defaultModel": "gemini-3-pro-preview"},
 		{"id": "grok", "name": "Grok (xAI)", "provider": "grok", "defaultModel": "grok-3-latest"},
 		{"id": "kimi", "name": "Kimi (Moonshot)", "provider": "kimi", "defaultModel": "moonshot-v1-auto"},
diff --git a/mcp/payment/claw402.go b/mcp/payment/claw402.go
index 38edbb6be6..e57de09cd9 100644
--- a/mcp/payment/claw402.go
+++ b/mcp/payment/claw402.go
@@ -61,7 +61,8 @@ var claw402ModelEndpoints = map[string]string{
 	"gpt-5.3":     "/api/v1/ai/openai/chat/5.3",
 	"gpt-5-mini":  "/api/v1/ai/openai/chat/5-mini",
 	// Anthropic
-	"claude-opus": "/api/v1/ai/anthropic/messages/opus",
+	"claude-opus":     "/api/v1/ai/anthropic/messages/opus",
+	"claude-opus-4-8": "/api/v1/ai/anthropic/messages/opus-4-8",
 	// DeepSeek
 	"deepseek":          "/api/v1/ai/deepseek/chat",
 	"deepseek-reasoner": "/api/v1/ai/deepseek/chat/reasoner",
diff --git a/mcp/provider/claude.go b/mcp/provider/claude.go
index a9330687c6..8daf7d8238 100644
--- a/mcp/provider/claude.go
+++ b/mcp/provider/claude.go
@@ -26,7 +26,7 @@ import (
 
 const (
 	DefaultClaudeBaseURL = "https://api.anthropic.com/v1"
-	DefaultClaudeModel   = "claude-opus-4-6"
+	DefaultClaudeModel   = "claude-opus-4-8"
 )
 
 func init() {
diff --git a/store/ai_charge.go b/store/ai_charge.go
index 340009e869..5928c42019 100644
--- a/store/ai_charge.go
+++ b/store/ai_charge.go
@@ -29,6 +29,7 @@ var modelPrices = map[string]float64{
 	"gpt-5.3":           0.01,
 	"gpt-5-mini":        0.005,
 	"claude-opus":       0.12,
+	"claude-opus-4-8":   0.18,
 	"qwen-max":          0.01,
 	"qwen-plus":         0.005,
 	"qwen-turbo":        0.002,
diff --git a/web/src/components/trader/model-constants.ts b/web/src/components/trader/model-constants.ts
index 9e0978e5e2..ff365cf871 100644
--- a/web/src/components/trader/model-constants.ts
+++ b/web/src/components/trader/model-constants.ts
@@ -61,6 +61,7 @@ export const CLAW402_MODELS: Claw402Model[] = [
   { id: 'gpt-5.4', name: 'GPT-5.4', provider: 'OpenAI', desc: '$0.05/call', icon: '⚡', price: 0.05 },
   { id: 'grok-4.1', name: 'Grok 4.1', provider: 'xAI', desc: '$0.06/call', icon: '⚡', price: 0.06 },
   { id: 'claude-opus', name: 'Claude Opus', provider: 'Anthropic', desc: '$0.12/call', icon: '🎯', price: 0.12 },
+  { id: 'claude-opus-4-8', name: 'Claude Opus 4.8', provider: 'Anthropic', desc: '$0.18/call', icon: '🚀', price: 0.18 },
   { id: 'gpt-5.4-pro', name: 'GPT-5.4 Pro', provider: 'OpenAI', desc: '$0.50/call', icon: '🧠', price: 0.50 },
 ]
 
@@ -75,6 +76,11 @@ export const BLOCKRUN_MODELS: BlockrunModel[] = [
     name: 'Claude Opus 4.6',
     desc: 'Base wallet payment',
   },
+  {
+    id: 'claude-opus-4-8',
+    name: 'Claude Opus 4.8',
+    desc: 'Base wallet payment',
+  },
   {
     id: 'gemini-3.1-pro',
     name: 'Gemini 3.1 Pro',
@@ -105,7 +111,7 @@ export const AI_PROVIDER_CONFIG: Record<string, AIProviderConfig> = {
     apiName: 'OpenAI',
   },
   claude: {
-    defaultModel: 'claude-opus-4-6',
+    defaultModel: 'claude-opus-4-8',
     apiUrl: 'https://console.anthropic.com/settings/keys',
     apiName: 'Anthropic',
   },