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 an

AI News • 2026-07-31 21:18 UTC • By Billy Odell Tucker-Robinson

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://t.co/kZYJU0UqBt)

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