diff --git a/src/resources/responses/responses.ts b/src/resources/responses/responses.ts
index d76d8f77c..cfabfecc0 100644
--- a/src/resources/responses/responses.ts
+++ b/src/resources/responses/responses.ts
@@ -8199,7 +8199,7 @@ export interface ResponseCompactParams {
     | 'gpt-5.1'
     | 'gpt-5.1-2025-11-13'
     | 'gpt-5.1-codex'
-    | 'gpt-5.1-mini'
+    | 'gpt-5.1-codex-mini'
     | 'gpt-5.1-chat-latest'
     | 'gpt-5'
     | 'gpt-5-mini'
diff --git a/src/resources/shared.ts b/src/resources/shared.ts
index 05bc86524..8234f8bae 100644
--- a/src/resources/shared.ts
+++ b/src/resources/shared.ts
@@ -33,7 +33,7 @@ export type ChatModel =
   | 'gpt-5.1'
   | 'gpt-5.1-2025-11-13'
   | 'gpt-5.1-codex'
-  | 'gpt-5.1-mini'
+  | 'gpt-5.1-codex-mini'
   | 'gpt-5.1-chat-latest'
   | 'gpt-5'
   | 'gpt-5-mini'