Update app.py

app.py

@@ -496,7 +496,7 @@ Instructions:
         if model == "groq":
             response = groq_client.chat.completions.create(
                 messages=messages,
-                model="llama-3.1-70b-instant",
+                model="llama-3.1-70b-versatile",
                 max_tokens=5500,
                 temperature=temperature,
                 top_p=0.9,