{"id":"clm_DC2C73CDE41A","entity":"openai","predicate":"released","value":"GPT-4.1 nano","value_json":{"via":"maker","item":"Q134390865","tags":{"v":2,"ai":true,"by":"claude-haiku-5-5","on":"2026-10-31","themes":["pricing_access"],"model_tier":"small_fast","release_kind":"model"},"check":{"on":"2026-10-30","url":"https://developers.openai.com/api/docs/changelog.md","pages":1,"quote":"### Apr 14 Feature · Model: gpt-4.1 · Model: gpt-4.1-mini · Model: gpt-4.1-nano · API: v1/responses · API: v1/chat/completions · API: v1/fine_tuning Added [`gpt-4.1`](https://developers.openai.com/api/docs/models/gpt-4.1), [`gpt-4.1-mini`]","outcome":"checked"},"product_type":"large language model"},"valid_from":"2025-04-14","valid_to":null,"published":null,"recorded":"2026-10-30","confidence":0.95,"status":"valid","assertable":true,"superseded_by":null,"supersedes":[],"first_seen_at":"2026-10-30T12:55:50.917838+00:00","updated_at":"2026-10-31T03:22:12.333368+00:00","sources":[{"url":"https://developers.openai.com/api/docs/changelog.md","tier":"primary","publisher":null,"published_at":null},{"url":"https://www.wikidata.org/wiki/Q134390865","tier":"secondary","publisher":"Wikidata","published_at":null}],"evidence":{"by":"page-read","on":"2026-10-30","quote":"### Apr 14 Feature · Model: gpt-4.1 · Model: gpt-4.1-mini · Model: gpt-4.1-nano · API: v1/responses · API: v1/chat/completions · API: v1/fine_tuning Added [`gpt-4.1`](https://developers.openai.com/api/docs/models/gpt-4.1), [`gpt-4.1-mini`]","url":"https://developers.openai.com/api/docs/changelog.md"},"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"}}}