diff --git a/apps/open-swe/src/utils/llms/model-manager.ts b/apps/open-swe/src/utils/llms/model-manager.ts
index fc184163..5a0235b2 100644
--- a/apps/open-swe/src/utils/llms/model-manager.ts
+++ b/apps/open-swe/src/utils/llms/model-manager.ts
@@ -340,7 +340,7 @@ export class ModelManager {
       },
       openai: {
         [Task.PLANNER]: "o3",
-        [Task.PROGRAMMER]: "gpt-4o",
+        [Task.PROGRAMMER]: "gpt-4.1",
         [Task.REVIEWER]: "o3",
         [Task.ROUTER]: "gpt-4o-mini",
         [Task.SUMMARIZER]: "gpt-4.1-mini",