{"entity":"gpt-4-1-nano","name":"GPT-4.1 nano","events":[{"date":"2025-04-14","until":null,"published":"2025-04-14","recorded":"2026-11-04","predicate":"model_release","value":"gpt-4.1-nano","status":"valid","assertable":true,"id":"clm_10E3D4744E71","evidence":{"by":"page-read","on":"2026-11-04","quote":"Apr 14 Feature gpt-4.1 gpt-4.1-mini gpt-4.1-nano v1/responses v1/chat/completions v1/fine_tuning Added gpt-4.1 , gpt-4.1-mini , and gpt-4.1-nano models to the API.","url":"https://developers.openai.com/api/docs/changelog#2025-04-14"}},{"date":"2026-04-22","until":null,"published":null,"recorded":"2026-11-04","predicate":"deprecated","value":"gpt-4.1-nano","status":"valid","assertable":true,"id":"clm_EA9D392DF52E","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":"gpt-4.1-nano","status":"valid","assertable":true,"id":"clm_4B8049CC7FF3","evidence":{"by":"page-read","on":"2026-11-04","quote":"October 23, 2026 gpt-4.1-nano | gpt-4.1-nano-2025-04-14 gpt-5.6-luna","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"}}}