diff --git a/src/openai/types/shared/chat_model.py b/src/openai/types/shared/chat_model.py
index 8223b81bef..9bb6e0c720 100644
--- a/src/openai/types/shared/chat_model.py
+++ b/src/openai/types/shared/chat_model.py
@@ -13,7 +13,6 @@
     "gpt-5.1",
     "gpt-5.1-2025-11-13",
     "gpt-5.1-codex",
-    "gpt-5.1-mini",
     "gpt-5.1-chat-latest",
     "gpt-5",
     "gpt-5-mini",