Update app.py

app.py

@@ -53,7 +53,7 @@ async def chat_function(text_in, personality, gender):
 
     try:
         completion = client.chat.completions.create(
-            model="openrouter/free", 
+            model="minimax/minimax-m2.5:free", 
             messages=messages,
             temperature=0.8
         )