diff --git a/packages/ai-code-mode-snippets/README.md b/packages/ai-code-mode-snippets/README.md
index 26204845e..c4edd9c62 100644
--- a/packages/ai-code-mode-snippets/README.md
+++ b/packages/ai-code-mode-snippets/README.md
@@ -42,7 +42,7 @@ const codeModeConfig = {
 const { toolsRegistry, systemPrompt, selectedSnippets } =
   await codeModeWithSnippets({
     config: codeModeConfig,
-    adapter: anthropic('claude-3-haiku'), // Cheap model for snippet selection
+    adapter: anthropic('claude-haiku-4-5'), // Cheap model for snippet selection
     snippets: {
       storage: snippetStorage,
       maxSnippetsInContext: 5,
@@ -52,7 +52,7 @@ const { toolsRegistry, systemPrompt, selectedSnippets } =
 
 // Use in chat
 const stream = chat({
-  adapter: anthropic('claude-sonnet-4-20250514'), // Main model
+  adapter: anthropic('claude-sonnet-4-6'), // Main model
   toolRegistry: toolsRegistry,
   messages,
   systemPrompts: [basePrompt, systemPrompt],
diff --git a/packages/ai-code-mode-snippets/test-cli/adapters.ts b/packages/ai-code-mode-snippets/test-cli/adapters.ts
index 5fe4936df..47ee0b08e 100644
--- a/packages/ai-code-mode-snippets/test-cli/adapters.ts
+++ b/packages/ai-code-mode-snippets/test-cli/adapters.ts
@@ -30,8 +30,7 @@ export interface AdapterDefinition {
 
 // Model defaults from environment or sensible defaults
 const OPENAI_MODEL = process.env.OPENAI_MODEL || 'gpt-4o'
-const ANTHROPIC_MODEL =
-  process.env.ANTHROPIC_MODEL || 'claude-sonnet-4-20250514'
+const ANTHROPIC_MODEL = process.env.ANTHROPIC_MODEL || 'claude-sonnet-4-6'
 const GEMINI_MODEL = process.env.GEMINI_MODEL || 'gemini-2.5-flash'
 
 /**
diff --git a/packages/ai-code-mode-snippets/test-cli/cli.ts b/packages/ai-code-mode-snippets/test-cli/cli.ts
index 3a050d16f..4fca7a9aa 100644
--- a/packages/ai-code-mode-snippets/test-cli/cli.ts
+++ b/packages/ai-code-mode-snippets/test-cli/cli.ts
@@ -590,7 +590,7 @@ program
 
       try {
         const { anthropicText } = await import('@tanstack/ai-anthropic')
-        const modelName = model || 'claude-sonnet-4-20250514'
+        const modelName = model || 'claude-sonnet-4-6'
         adapter = anthropicText(modelName, { apiKey })
         logInfo(`Using Anthropic adapter with model: ${modelName}`)
       } catch (error) {
@@ -706,7 +706,7 @@ program
 
       try {
         const { anthropicText } = await import('@tanstack/ai-anthropic')
-        const modelName = model || 'claude-sonnet-4-20250514'
+        const modelName = model || 'claude-sonnet-4-6'
         adapter = anthropicText(modelName, { apiKey })
         logInfo(`Using Anthropic adapter with model: ${modelName}`)
       } catch (error) {
diff --git a/packages/ai-solid/README.md b/packages/ai-solid/README.md
index 3e5e840c7..ff604c327 100644
--- a/packages/ai-solid/README.md
+++ b/packages/ai-solid/README.md
@@ -407,7 +407,7 @@ export const Route = createFileRoute('/api/chat')({
         return toServerSentEventsResponse(
           chat({
             adapter: anthropicText(),
-            model: 'claude-sonnet-4-20250514',
+            model: 'claude-sonnet-4-6',
             messages,
             tools, // Tools with execute functions
           }),