diff --git a/src/renderer/src/config/models.ts b/src/renderer/src/config/models.ts
index d84bb90d26..dff5b37831 100644
--- a/src/renderer/src/config/models.ts
+++ b/src/renderer/src/config/models.ts
@@ -2469,7 +2469,7 @@ export function isVisionModel(model: Model): boolean {
 
 export function isOpenAIReasoningModel(model: Model): boolean {
   const modelId = getLowerBaseModelName(model.id, '/')
-  return isSupportedReasoningEffortOpenAIModel(model) || modelId.includes('o1') || modelId.includes('gpt-5-chat')
+  return isSupportedReasoningEffortOpenAIModel(model) || modelId.includes('o1')
 }
 
 export function isOpenAILLMModel(model: Model): boolean {