Update app.py

app.py

@@ -5,7 +5,7 @@ client = Client()
 
 def generate_text(prompt):
     response = client.chat.completions.create(
-        model="gpt-4o-mini",
+        model="gpt-3.5",
         messages=[{"role": "user", "content": prompt}],
         web_search=False
     )