{"entity":"openai-o1-preview","id":"ent_openai-o1-preview","name":"OpenAI o1-preview","predicate":"deprecated","label":"deprecation","page":"https://asof.is/record/openai-o1-preview/deprecated","as_of":"2026-11-04","summary":"As of November 4, 2026, the AsOf record says OpenAI o1-preview was deprecated on April 28, 2025 (as o1-preview), from a primary source (platform.openai.com). The record holds 1 claim on OpenAI o1-preview's deprecation, 1 still open and 0 superseded, each dated and sourced; a replaced value is closed with an end date, never deleted.","current":["clm_0D68885A729F"],"latest_period":null,"claims":[{"id":"clm_0D68885A729F","value":"o1-preview","valid_from":"2025-04-28","valid_to":null,"published":null,"recorded":"2026-11-04","confidence":0.95,"status":"valid","assertable":true,"superseded_by":null,"sources":[{"url":"https://platform.openai.com/docs/deprecations","tier":"primary","publisher":"OpenAI (API deprecations)","published_at":null}],"evidence":{"by":"page-read","on":"2026-11-04","quote":"2025-04-28: o1-preview and o1-mini On April 28th, 2025, we notified developers using o1-preview and o1-mini of their deprecations and removal from the API in three months and six months respectively.","url":"https://platform.openai.com/docs/deprecations"}}],"replaced":[],"faq":[{"question":"When was OpenAI o1-preview deprecated?","answer":"On April 28, 2025 (as o1-preview), from a primary source (platform.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"}}}