GPT-5.5 retires from ChatGPT and Codex on Oct 14, 2026
DiscontinuedAll users
GPT-5.5 will be retired from ChatGPT, ChatGPT Work, and Codex across all plans on October 14, 2026. The OpenAI API will not be affected by this change.
- Date
- Your time: 2026-10-01 12:00 UTC
- Source type
- Official blogSource: learn.chatgpt.com