GPT-5.4及mini将于8月31日停止ChatGPT登录用户使用

GPT-5.4 and GPT-5.4 mini will no longer be available for users signed in with ChatGPT starting August 31.

The models will remain available on the OpenAI API and Codex sessions authenticated with an API key.

https://learn.chatgpt.com/docs/changelog#codex-2026-07-31