Update app.py

app.py

@@ -132,7 +132,7 @@ class PromptRefiner:
             {"role": "user", "content": selected_meta_prompt.replace("[Insert initial prompt here]", prompt_input.text)}
         ]
         response = self.client.chat.completions.create(
-            model="llama-3.2-90b-text-preview",
+            model="llama-3.3-70b-versatile",
             messages=messages,
             max_tokens=8192,
             temperature=0.7