Update app.py

app.py

@@ -29,8 +29,9 @@ if "current_conversation_id" not in st.session_state:
         "messages": []
     }
 
+# ** Default Model as o1 **
 if "selected_model" not in st.session_state:
-    st.session_state.selected_model = "gpt-4o"  # Default to gpt-4o
+    st.session_state.selected_model = "o1"  # Default to o1
 
 # Initialize System Prompt
 if "system_prompt" not in st.session_state: