Update app.py

app.py

@@ -172,7 +172,7 @@ ANSWER:"""
 
     try:
         response = groq_client.chat.completions.create(
-            model="llama3-8b-8192",
+            model="llama-3.1-8b-instant",
             messages=[{"role": "user", "content": prompt}],
             temperature=0.2,
             max_tokens=1024,