diff --git a/legacy/src/chatgpt-api.ts b/legacy/src/chatgpt-api.ts
index 9274a5fe..12b67ede 100644
--- a/legacy/src/chatgpt-api.ts
+++ b/legacy/src/chatgpt-api.ts
@@ -9,7 +9,8 @@ import { fetch } from './fetch'
 import { fetchSSE } from './fetch-sse'
 
 // NOTE: this is not a public model, but it was leaked by the ChatGPT webapp.
-const CHATGPT_MODEL = 'text-chat-davinci-002-20230126'
+// const CHATGPT_MODEL = 'text-chat-davinci-002-20230126'
+const CHATGPT_MODEL = 'text-davinci-003'
 
 const USER_LABEL_DEFAULT = 'User'
 const ASSISTANT_LABEL_DEFAULT = 'ChatGPT'