diff --git a/src/config/index.ts b/src/config/index.ts
index 086bd6a..9a44c46 100644
--- a/src/config/index.ts
+++ b/src/config/index.ts
@@ -193,7 +193,7 @@ export const AVAILABLE_MODELS: Record<LLMProvider, ModelInfo[]> = {
     },
     // Google (Dec 2025)
     {
-      id: 'google/gemini-3-pro-preview',
+      id: 'google/gemini-3.1-pro-preview',
       name: 'Gemini 3 Pro',
       provider: 'Google',
       contextWindow: 1000000,