{"entity":"gpt-5-4-mini","id":"ent_gpt-5-4-mini","name":"GPT-5.4 mini","predicate":"model_release","label":"release date","page":"https://asof.is/record/gpt-5-4-mini/model_release","as_of":"2026-11-04","summary":"As of November 4, 2026, the AsOf record says GPT-5.4 mini was released on March 17, 2026, from a primary source (developers.openai.com). The record holds 1 claim on GPT-5.4 mini's release, 1 still open and 0 superseded, each dated and sourced; a replaced value is closed with an end date, never deleted.","current":["clm_5186EBA31C65"],"latest_period":null,"claims":[{"id":"clm_5186EBA31C65","value":"GPT-5.4 mini","valid_from":"2026-03-17","valid_to":null,"published":"2026-03-17","recorded":"2026-11-04","confidence":0.95,"status":"valid","assertable":true,"superseded_by":null,"sources":[{"url":"https://developers.openai.com/api/docs/changelog#2026-03-17","tier":"primary","publisher":"OpenAI","published_at":"2026-03-17T00:00:00+00:00"}],"evidence":{"by":"page-read","on":"2026-11-04","quote":"March, 2026 Mar 17 Feature gpt-5.4-mini gpt-5.4-nano v1/responses v1/chat/completions Released GPT-5.4 mini and GPT-5.4 nano to the Chat Completions and Responses API.","url":"https://developers.openai.com/api/docs/changelog#2026-03-17"}}],"replaced":[],"faq":[{"question":"When was GPT-5.4 mini released?","answer":"On March 17, 2026, from a primary source (developers.openai.com) (status valid, confidence 0.95)."}],"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"}}}