diff --git a/aider/resources/model-settings.yml b/aider/resources/model-settings.yml
index dc26d6ebe..e33ee9fa9 100644
--- a/aider/resources/model-settings.yml
+++ b/aider/resources/model-settings.yml
@@ -1001,7 +1001,7 @@
 
 - name: openrouter/x-ai/grok-3-mini-beta
   use_repo_map: true
-  edit_format: diff
+  edit_format: whole
   accepts_settings:
     - reasoning_effort