diff --git a/src/services/aiService.ts b/src/services/aiService.ts
index ff66249..24fe8b0 100644
--- a/src/services/aiService.ts
+++ b/src/services/aiService.ts
@@ -304,7 +304,7 @@ Answer questions about this movie using only the verified database information a
           'X-Title': 'Nuvio - AI Chat',
         },
         body: JSON.stringify({
-          model: 'openrouter/sonoma-dusk-alpha',
+          model: 'x-ai/grok-4-fast:free',
           messages,
           max_tokens: 1000,
           temperature: 0.7,