Update app.py

app.py

@@ -33,7 +33,7 @@ class QuizApp:
         try:
             response = client.chat.completions.create(
                 messages=[{"role": "user", "content": prompt}],
-                model="llama2-70b-4096",
+                model="llama-3.2-3b-preview",
                 temperature=0.7,
                 max_tokens=1024
             )