diff --git a/src/parallax/launch.py b/src/parallax/launch.py
index 29740a7a..f1a10648 100644
--- a/src/parallax/launch.py
+++ b/src/parallax/launch.py
@@ -29,7 +29,7 @@
 """Currently hard code model name for MAC"""
 MLX_MODEL_NAME_MAP = {
     "openai/gpt-oss-20b": "mlx-community/gpt-oss-20b-MXFP4-Q8",
-    "openai/gpt-oss-120b": "mlx-community/gpt-oss-120b-MXFP4-Q8",
+    "openai/gpt-oss-120b": "mlx-community/gpt-oss-120b-4bit",
 }
 
 if __name__ == "__main__":