diff --git a/aider/resources/model-settings.yml b/aider/resources/model-settings.yml
index 7f7d84bbb..16fcfcfd9 100644
--- a/aider/resources/model-settings.yml
+++ b/aider/resources/model-settings.yml
@@ -1194,6 +1194,7 @@
   #   reasoning_effort: high
 
 - name: openai/o3
+  streaming: false
   edit_format: diff
   weak_model_name: openai/gpt-4.1-mini
   use_repo_map: true
@@ -1249,6 +1250,7 @@
   #   reasoning_effort: high
 
 - name: openrouter/openai/o3
+  streaming: false
   edit_format: diff
   weak_model_name: openrouter/openai/gpt-4.1-mini
   use_repo_map: true
@@ -1304,6 +1306,7 @@
   #   reasoning_effort: high
 
 - name: azure/o3
+  streaming: false
   edit_format: diff
   weak_model_name: azure/gpt-4.1-mini
   use_repo_map: true