{"entity":"openai-o4-mini","name":"OpenAI o4-mini","events":[{"date":"2025-04-16","until":null,"published":"2025-04-16","recorded":"2026-11-04","predicate":"model_release","value":"o4-mini","status":"valid","assertable":true,"id":"clm_C1B0F47C0897","evidence":{"by":"page-read","on":"2026-11-04","quote":"Apr 16 Feature v1/chat/completions v1/responses Added two new o-series reasoning models, o3 and o4-mini .","url":"https://developers.openai.com/api/docs/changelog#2025-04-16"}},{"date":"2026-04-22","until":null,"published":null,"recorded":"2026-11-04","predicate":"deprecated","value":"o4-mini","status":"valid","assertable":true,"id":"clm_522C66B748E1","evidence":{"by":"page-read","on":"2026-11-04","quote":"2026-04-22: Legacy GPT model snapshots On April 22, 2026, we announced the deprecation of the following older OpenAI models. Access to these models was shut down on October 23, 2026.","url":"https://platform.openai.com/docs/deprecations"}},{"date":"2026-10-23","until":null,"published":null,"recorded":"2026-11-04","predicate":"retired","value":"o4-mini","status":"valid","assertable":true,"id":"clm_E1C5929C5AD6","evidence":{"by":"page-read","on":"2026-11-04","quote":"October 23, 2026 o4-mini-2025-04-16 | o4-mini gpt-5.6-terra","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"}}}