OpenAI will retire GPT-5.5 from ChatGPT, ChatGPT Work and Codex on October 14, 2026.

Back to feedSeptember 16, 202623:00

OpenAI will retire GPT-5.5 from ChatGPT, ChatGPT Work and Codex on October 14, 2026.

The change will affect all consumer, Business, Enterprise and Edu plans, while the model will remain available through the OpenAI API. Users accessing Codex with a ChatGPT account are advised to switch to GPT-5.6 Sol.

learn.chatgpt.com