Switch default AI model to claude-opus-4-6

.env.example

@@ -59,13 +59,13 @@ STRIPE_LIVE_WEBHOOK_SECRET=whsec_...
 STRIPE_LIVE_PRO_PRICE_ID=price_...
 STRIPE_LIVE_SCALE_PRICE_ID=price_...
 # Optional scaffold/MCP model override
-ANTHROPIC_MODEL=claude-3-5-sonnet-20241022
+ANTHROPIC_MODEL=claude-opus-4-6
 
 # RepoFuse MCP
 # GitHub token with repo read access for the repositories you want RepoFuse to analyze
 GITHUB_TOKEN=ghp_...
 # Optional model override for the MCP server
-REPOFUSE_MODEL=claude-3-5-sonnet-20241022
+REPOFUSE_MODEL=claude-opus-4-6
 # Optional tuning knobs
 REPOFUSE_MAX_FILES_PER_REPO=120
 REPOFUSE_MAX_BLUEPRINTS=5

app/api/analyze/route.ts

@@ -14,7 +14,7 @@ export async function POST() {
     const anthropicRunner = process.env.ANTHROPIC_API_KEY
       ? createAnthropicPromptRunner({
           apiKey: process.env.ANTHROPIC_API_KEY,
-          model: process.env.ANTHROPIC_MODEL || process.env.REPOFUSE_MODEL || 'claude-sonnet-4-5-20250929',
+          model: process.env.ANTHROPIC_MODEL || process.env.REPOFUSE_MODEL || 'claude-opus-4-6',
         })
       : undefined
 

app/api/mcp/route.ts

@@ -17,7 +17,7 @@ async function handleMcpRequest(request: Request) {
   }
 
   const { canAccessPro } = await resolveProAccess(user)
-  const model = process.env.REPOFUSE_MODEL || process.env.ANTHROPIC_MODEL || 'claude-sonnet-4-5-20250929'
+  const model = process.env.REPOFUSE_MODEL || process.env.ANTHROPIC_MODEL || 'claude-opus-4-6'
   const anthropicRunner = process.env['ANTHROPIC_' + 'API_KEY']
     ? createAnthropicPromptRunner({ apiKey: process.env['ANTHROPIC_' + 'API_KEY'], model })
     : undefined

app/api/preview/route.ts

@@ -86,7 +86,7 @@
 
         send({ stage: "live", url: previewUrl, savedId: saved[0]?.id, hostedBy });
 
       } catch (err: any) {
         console.error("[preview]", err);
         send({ stage: "error", message: err.message ?? "Unexpected error." });
       } finally {
@@ -139,7 +139,7 @@
   const SKIP = ["node_modules", ".git", "dist", "build", ".next", "coverage"];
   const TEXT_EXTS = [".ts", ".tsx", ".js", ".jsx", ".json", ".css", ".scss", ".html", ".md"];
 
   const textFiles = (tree.tree ?? []).filter((item: any) => {
     if (item.type !== "blob") return false;
     if (SKIP.some((s) => item.path.includes(s))) return false;
     if (item.size > 100_000) return false;
@@ -148,7 +148,7 @@
   });
 
   const results = await Promise.allSettled(
     textFiles.slice(0, 80).map(async (item: any) => {
       const res  = await ghFetch(`https://api.github.com/repos/${owner}/${repo}/contents/${item.path}`, token);
       const data = await res.json();
       const content = data.encoding === "base64"
@@ -172,12 +172,12 @@
 // ─── Claude dep-fixer ────────────────────────────────────────────────────────
 
 async function fixDependencies(raw: string) {
   let parsed: Record<string, any>;
   try { parsed = JSON.parse(raw); }
   catch { return { fixedPackageJson: {}, changes: ["Could not parse package.json"] }; }
 
   const response = await anthropic.messages.create({
-    model: "claude-sonnet-4-20250514",
+    model: "claude-opus-4-6",
     max_tokens: 2048,
     messages: [{
       role: "user",
@@ -202,14 +202,14 @@
 
 // ─── Vercel helpers ───────────────────────────────────────────────────────────
 
 function buildDeployFiles(files: GitHubFile[], fixedPkg: Record<string, any>) {
   return files.map((f) => ({
     file: f.path,
     data: f.path === "package.json" ? JSON.stringify(fixedPkg, null, 2) : f.content,
   }));
 }
 
 function detectFramework(pkg: Record<string, any>): string | null {
   const deps = { ...pkg.dependencies, ...pkg.devDependencies };
   if (deps["next"]) return "nextjs";
   if (deps["react-scripts"]) return "create-react-app";
@@ -231,7 +231,7 @@
     ? `https://api.vercel.com/v13/deployments?teamId=${teamId}`
     : "https://api.vercel.com/v13/deployments";
 
   const body: Record<string, any> = { name, files, target: "preview", projectSettings: {} };
   if (framework) body.projectSettings.framework = framework;
 
   const res = await fetch(url, {

examples/claude-desktop.mcp.json

@@ -7,7 +7,7 @@
       "env": {
         "GITHUB_TOKEN": "ghp_your_token_here",
         "ANTHROPIC_API_KEY": "sk-ant-your-key-here",
-        "REPOFUSE_MODEL": "claude-3-5-sonnet-20241022",
+        "REPOFUSE_MODEL": "claude-opus-4-6",
         "REPOFUSE_MAX_FILES_PER_REPO": "120",
         "REPOFUSE_MAX_BLUEPRINTS": "5"
       }

examples/cursor.mcp.json

@@ -7,7 +7,7 @@
       "env": {
         "GITHUB_TOKEN": "ghp_your_token_here",
         "ANTHROPIC_API_KEY": "sk-ant-your-key-here",
-        "REPOFUSE_MODEL": "claude-3-5-sonnet-20241022",
+        "REPOFUSE_MODEL": "claude-opus-4-6",
         "REPOFUSE_MAX_FILES_PER_REPO": "120",
         "REPOFUSE_MAX_BLUEPRINTS": "5"
       }

lib/ai-gateway.ts

@@ -2,7 +2,7 @@ import Anthropic from '@anthropic-ai/sdk'
 import { generateText, type ModelMessage } from 'ai'
 
 /** Default gateway model (provider/model). See https://ai-gateway.vercel.sh/v1/models */
-export const DEFAULT_GATEWAY_MODEL = 'anthropic/claude-sonnet-4.6'
+export const DEFAULT_GATEWAY_MODEL = 'anthropic/claude-opus-4.6'
 
 export type AiGatewayFeature =
   | 'analysis-run'
@@ -49,7 +49,7 @@ export function getAnthropicMessagesModel(): string {
     }
     return configured
   }
-  return usesGatewayAuth() ? DEFAULT_GATEWAY_MODEL : 'claude-sonnet-4-5-20250929'
+  return usesGatewayAuth() ? DEFAULT_GATEWAY_MODEL : 'claude-opus-4-6'
 }
 
 export function gatewayProviderOptions(userId?: string, feature?: AiGatewayFeature) {
@@ -99,7 +99,7 @@ export async function generateWithGateway(params: {
   // to avoid routing through Vercel AI Gateway which requires paid gateway credits.
   if (!usesGatewayAuth() && directAnthropicKey()) {
     const client = getAnthropicClient()
-    const directModel = process.env.ANTHROPIC_ANALYSIS_MODEL?.trim() || 'claude-sonnet-4-5-20250929'
+    const directModel = process.env.ANTHROPIC_ANALYSIS_MODEL?.trim() || 'claude-opus-4-6'
     const response = await client.messages.create({
       model: directModel,
       max_tokens: params.maxOutputTokens ?? 4096,

lib/ai-providers.ts

@@ -14,17 +14,17 @@ export interface AIProviderConfig {
 export function getProviderModel(provider: AIProvider): string {
   switch (provider) {
     case 'anthropic':
-      return 'anthropic/claude-sonnet-4.6'
+      return 'anthropic/claude-opus-4.6'
     case 'openai':
       return 'gpt-4o'
     case 'grok':
       return 'grok-2'
     case 'deepinfra':
       return 'deepseek-ai/deepseek-coder-33b-instruct'
     case 'builtin':
-      return 'claude-opus-4.1' // Default to Anthropic for builtin
+      return 'claude-opus-4.6' // Default to Anthropic for builtin
     default:
-      return 'claude-opus-4.1'
+      return 'claude-opus-4.6'
   }
 }
 
@@ -34,7 +34,7 @@ export function getProviderModel(provider: AIProvider): string {
 export function getAISDKModel(provider: AIProvider, apiKey?: string): string {
   switch (provider) {
     case 'anthropic':
-      return apiKey ? `anthropic/claude-sonnet-4.6?apiKey=${apiKey}` : 'anthropic/claude-sonnet-4.6'
+      return apiKey ? `anthropic/claude-opus-4.6?apiKey=${apiKey}` : 'anthropic/claude-opus-4.6'
     case 'openai':
       return apiKey ? `openai/gpt-4o?apiKey=${apiKey}` : 'openai/gpt-4o'
     case 'grok':
@@ -43,9 +43,9 @@ export function getAISDKModel(provider: AIProvider, apiKey?: string): string {
       return apiKey ? `deepinfra/deepseek-ai/deepseek-coder-33b-instruct?apiKey=${apiKey}` : 'deepinfra/deepseek-ai/deepseek-coder-33b-instruct'
     case 'builtin':
       // Builtin uses Vercel AI Gateway (no API key needed)
-      return 'anthropic/claude-sonnet-4.6'
+      return 'anthropic/claude-opus-4.6'
     default:
-      return 'anthropic/claude-sonnet-4.6'
+      return 'anthropic/claude-opus-4.6'
   }
 }
 

lib/anthropic-model.ts

@@ -1,7 +1,7 @@
 import { getAnthropicMessagesModel, getGatewayModel } from '@/lib/ai-gateway'
 
 /** @deprecated Prefer getGatewayModel() for AI SDK or getAnthropicMessagesModel() for Messages API */
-export const DEFAULT_ANTHROPIC_MODEL = 'claude-sonnet-4-5-20250929'
+export const DEFAULT_ANTHROPIC_MODEL = 'claude-opus-4-6'
 
 /** Anthropic Messages API model (gateway slug when AI Gateway auth is configured). */
 export function getAnthropicModel(): string {

lib/repofuse-core.js

@@ -1,6 +1,6 @@
 import Anthropic from '@anthropic-ai/sdk'
 
-const DEFAULT_REPOFUSE_MODEL = process.env.REPOFUSE_MODEL || process.env.ANTHROPIC_MODEL || 'claude-3-5-sonnet-20241022'
+const DEFAULT_REPOFUSE_MODEL = process.env.REPOFUSE_MODEL || process.env.ANTHROPIC_MODEL || 'claude-opus-4-6'
 
 const CODE_EXTENSIONS = new Set([
   'ts', 'tsx', 'js', 'jsx', 'mjs', 'cjs', 'py', 'go', 'rs', 'java', 'rb', 'php', 'vue', 'svelte', 'swift', 'kt', 'kts',

mcp/repofuse.mjs

@@ -6,7 +6,7 @@ import { createRepoFuseMcpServer } from '../lib/repofuse-mcp.js'
 
 const githubToken = requireEnv('GITHUB_TOKEN')
 const anthropicApiKey = requireEnv('ANTHROPIC_API_KEY')
-const model = process.env.REPOFUSE_MODEL || process.env.ANTHROPIC_MODEL || 'claude-3-5-sonnet-20241022'
+const model = process.env.REPOFUSE_MODEL || process.env.ANTHROPIC_MODEL || 'claude-opus-4-6'
 const maxFilesPerRepo = numberFromEnv('REPOFUSE_MAX_FILES_PER_REPO', 120)
 const maxBlueprints = numberFromEnv('REPOFUSE_MAX_BLUEPRINTS', 5)