{"entity":"gpt-5-1","name":"GPT-5.1","events":[{"date":"2025-11-13","until":null,"published":"2025-11-13","recorded":"2026-11-04","predicate":"model_release","value":"GPT-5.1","status":"valid","assertable":true,"id":"clm_9E4BB33663B5","evidence":{"by":"page-read","on":"2026-11-04","quote":"Nov 13 Feature gpt-5.1 gpt-5.1-codex gpt-5.1-chat-latest gpt-5.1-codex-mini v1/responses v1/chat/completions Released GPT-5.1 , the newest flagship model in the GPT-5 model family.","url":"https://developers.openai.com/api/docs/changelog#2025-11-13"}},{"date":"2026-10-01","until":null,"published":null,"recorded":"2026-11-04","predicate":"deprecated","value":"gpt-5.1","status":"valid","assertable":true,"id":"clm_45F34DC89114","evidence":{"by":"page-read","on":"2026-11-04","quote":"2026-10-01: GPT-5.3-Codex, GPT-5.1, GPT-5.4-Nano The following models are deprecated and will be removed from the API on April 1, 2027, with six months’ notice.","url":"https://platform.openai.com/docs/deprecations"}}],"complete":true,"legend":{"dates":"valid_from: when the claim took effect (a period figure: the day its period closed). published: the earliest day a source on the record published it (a filing's filing date, a post's date; null when no source carries one). recorded: the day AsOf first held it. A figure can take effect weeks before it is published.","why_not":{},"checked_by":{"page-read":"its source page states the value and the date"}}}