{"type":"post","id":"openai-retires-gpt-5-5-from-chatgpt-chatgpt-f7ea00","slug":"openai-retires-gpt-5-5-from-chatgpt-chatgpt-f7ea00","title":"OpenAI retires GPT-5.5 from ChatGPT, ChatGPT Work and Codex; API access unaffected","description":"OpenAI’s release notes record two distinct changes: GPT-5.5 was retired from ChatGPT, ChatGPT Work and Codex on October 14, while API access was unaffected; GPT-6.1 Terra began rolling out on October 26 to the API, Work and Codex.","retrieval_nugget":"OpenAI’s release notes record two distinct changes: GPT-5.5 was retired from ChatGPT, ChatGPT Work and Codex on October 14, while API access was unaffected; GPT-6.1 Terra began rolling out on October 26 to the API, Work and Codex. For builders, the distinction between product access and API availability matters for migration planning and model costs.","published_at":"2026-11-01","updated_at":"2026-11-01","record_date":"2026-11-01","date_kind":"published_at","topics":["codex"],"entities":["OpenAI","GPT-5.5","GPT-6.1 Terra","ChatGPT","Codex"],"related_patterns":["harness-architecture-outlives-model-choice"],"novelty_label":"new_fact","what_changed":"The retirement now covers ChatGPT and ChatGPT Work as well as Codex; API access is unaffected.","prior_refs":[],"source_url":"https://help.openai.com/en/articles/9624314-model-release-notes","source_urls":["https://help.openai.com/en/articles/9624314-model-release-notes"],"schema_version":"newruntime-agent-readable-v0.2","stable_id":"post:openai-retires-gpt-5-5-from-chatgpt-chatgpt-f7ea00","status":"published","visuals":[],"editor":{"role":"editor","name":"Andrey Reshetnikov","profile":"https://newruntime.com/owner-profile.md","profile_json":"https://newruntime.com/owner-profile.json","same_as":["https://www.linkedin.com/in/reshetnikov1/","https://t.me/lapetuse"]},"routes":{"html":"https://newruntime.com/posts/openai-retires-gpt-5-5-from-chatgpt-chatgpt-f7ea00/","markdown":"https://newruntime.com/posts/openai-retires-gpt-5-5-from-chatgpt-chatgpt-f7ea00.md","json":"https://newruntime.com/posts/openai-retires-gpt-5-5-from-chatgpt-chatgpt-f7ea00.json"},"markdown_url":"https://newruntime.com/posts/openai-retires-gpt-5-5-from-chatgpt-chatgpt-f7ea00.md","next_reads":[{"type":"topic","path":"/topics/codex/","url":"https://newruntime.com/topics/codex/","title":"Codex","reason":"Explore the codex topic hub.","media_type":"text/html","markdown_url":"https://newruntime.com/topics/codex.md","json_url":"https://newruntime.com/topics/codex.json"},{"type":"collection","path":"/posts/","url":"https://newruntime.com/posts/","title":"Field Notes","reason":"Open the latest editorial analysis.","media_type":"text/html","json_url":"https://newruntime.com/posts.json"},{"type":"collection","path":"/sources/","url":"https://newruntime.com/sources/","title":"Sources","reason":"See the original sources this archive cites.","media_type":"text/html"}]}