diff --git a/providers/openai/responses_options.go b/providers/openai/responses_options.go
index 711a67412e55cbf6e8a5b8de1a57e11f833f6460..42649e0cc7ae523c4fadf4475db2021cbc7d7b74 100644
--- a/providers/openai/responses_options.go
+++ b/providers/openai/responses_options.go
@@ -159,6 +159,7 @@ var responsesReasoningModelIDs = []string{
 	"gpt-5.1-codex-mini",
 	"gpt-5.1-chat",
 	"gpt-5.2",
+	"gpt-5.2-codex",
 	"gpt-oss-120b",
 }