Update app.py

app.py

@@ -151,9 +151,9 @@ def generate_slides_content(user_input, num_slides):
                 {"role": "system", "content": "You are a helpful assistant that generates PowerPoint presentation content and return the content in JSON format."},
                 {"role": "user", "content": prompt}
             ],
-            model="mixtral-8x7b-32768",
+            model="llama-3.1-8b-instant",
             temperature=1,
-            max_tokens=6000
+            max_tokens=12000
         )
 
         return json.loads(chat_completion.choices[0].message.content)