diff --git a/aider/resources/model-settings.yml b/aider/resources/model-settings.yml
index 33f5aa141..b81430e7b 100644
--- a/aider/resources/model-settings.yml
+++ b/aider/resources/model-settings.yml
@@ -1095,6 +1095,32 @@
   #  extra_body:
   #    reasoning_effort: high
 
+- name: openai/o3
+  edit_format: diff
+  weak_model_name: openai/gpt-4.1-mini
+  use_repo_map: true
+  editor_model_name: openai/gpt-4.1
+  editor_edit_format: editor-diff
+  system_prompt_prefix: "Formatting re-enabled. "
+  accepts_settings: ["reasoning_effort"]
+  examples_as_sys_msg: true
+  #extra_params:
+  #  extra_body:
+  #    reasoning_effort: high
+
+- name: openrouter/openai/o3
+  edit_format: diff
+  weak_model_name: openrouter/openai/gpt-4.1-mini
+  use_repo_map: true
+  editor_model_name: openrouter/openai/gpt-4.1
+  editor_edit_format: editor-diff
+  system_prompt_prefix: "Formatting re-enabled. "
+  accepts_settings: ["reasoning_effort"]
+  examples_as_sys_msg: true
+  #extra_params:
+  #  extra_body:
+  #    reasoning_effort: high
+
 - name: o4-mini
   edit_format: diff
   weak_model_name: gpt-4.1-mini
@@ -1109,4 +1135,4 @@
   extra_params:
     extra_body:
       reasoning_effort: low
-      
\ No newline at end of file
+