Update app.py

app.py

@@ -23,7 +23,7 @@ async def chat_groq(message, history):
     response_content = ''
     
     stream = client.chat.completions.create(
-                                            model="llama3-8b-8192",
+                                            model="llama3-70b-8192",
                                             messages=messages,
                                             max_tokens=1024,
                                             temperature=1.3,