{"id":"clm_6028B608DD71","entity":"openai","predicate":"discontinued","value":"Assistants API","value_json":{"feed":"openai-api-changelog","item":"https://developers.openai.com/api/docs/changelog#2026-08-26","tags":{"v":2,"ai":true,"by":"claude-haiku-5-5","on":"2026-10-31","themes":["developer_platform"]},"check":{"on":"2026-10-31","url":"https://developers.openai.com/api/docs/changelog#2026-08-26","pages":1,"quote":"The Assistants API shut down on August 26, 2026. Migrate to the Responses API and Conversations API using the migration guide .","outcome":"checked"},"evidence":"Update · whisper-1 · gpt-4o-transcribe · gpt-4o-mini-transcribe · gpt-4o-transcribe-diarize · v1/audio/transcriptions · v1/realtime · Announced the deprecation of whisper-1 , gpt-4o-transcribe , gpt-4o-mini-transcribe , and gpt-4o-transcribe-diarize . These models will shut down on February 26, 2027","extracted_by":"claude-haiku-5-5","primary_source":true},"valid_from":"2026-08-26","valid_to":null,"published":"2026-08-26","recorded":"2026-10-31","confidence":0.7,"status":"valid","assertable":true,"superseded_by":null,"supersedes":[],"first_seen_at":"2026-10-31T02:13:18.941717+00:00","updated_at":"2026-10-31T03:52:09.939321+00:00","sources":[{"url":"https://developers.openai.com/api/docs/changelog#2026-08-26","tier":"primary","publisher":"OpenAI","published_at":"2026-08-26T00:00:00+00:00"}],"evidence":{"by":"page-read","on":"2026-10-31","quote":"The Assistants API shut down on August 26, 2026. Migrate to the Responses API and Conversations API using the migration guide .","url":"https://developers.openai.com/api/docs/changelog#2026-08-26","excerpt":"Update · whisper-1 · gpt-4o-transcribe · gpt-4o-mini-transcribe · gpt-4o-transcribe-diarize · v1/audio/transcriptions · v1/realtime · Announced the deprecation of whisper-1 , gpt-4o-transcribe , gpt-4o-mini-transcribe , and gpt-4o-transcribe-diarize . These models will shut down on February 26, 2027"},"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"}}}