Update ai_handler.py

ai_handler.py

@@ -128,7 +128,8 @@ Remember: Be helpful, friendly, and professional. Keep responses natural and con
         }
         
         payload = {
-            "model": "llama-3.1-8b-instant",
+            # "model": "llama-3.1-8b-instant",
+            "model": "llama3-8b-8192",
             "messages": [
                 {"role": "system", "content": self.system_prompt},
                 {"role": "user", "content": context}