diff --git a/start.bat b/start.bat
index d33db9c..d7be6e6 100644
--- a/start.bat
+++ b/start.bat
@@ -2,7 +2,7 @@ call npm install
 set PASSWORD=
 set https_proxy=
 set PORT=8080
-set AI_MODEL=claude_3_opus
+set AI_MODEL=
 set USE_CUSTOM_MODE=false
 node index.mjs
 pause
\ No newline at end of file