{"id":"clm_D08FCE5309DE","entity":"anthropic","predicate":"discontinued","value":"Claude Opus 3","value_json":{"feed":"claude-platform-release-notes","item":"https://platform.claude.com/docs/en/release-notes/overview#2026-01-05","tags":{"v":2,"ai":true,"by":"claude-haiku-5-5","on":"2026-11-02","themes":[]},"check":{"on":"2026-11-02","url":"https://platform.claude.com/docs/en/release-notes/overview#2026-01-05","pages":1,"quote":"January 5, 2026  We’ve retired the Claude Opus 3 model ( claude-3-opus-20240229 ). All requests to this model will now return an error.","outcome":"checked"},"evidence":"We’ve retired the Claude Opus 3 model ( claude-3-opus-20240229 ). All requests to this model will now return an error. We recommend upgrading to Claude Opus 4.5 , which offers significantly improved intelligence at a third of the cost. Researchers can request ongoing access to Claude Opus 3 on the A","extracted_by":"claude-haiku-5-5","primary_source":true},"valid_from":"2026-01-05","valid_to":null,"published":"2026-01-05","recorded":"2026-11-02","confidence":0.7,"status":"valid","assertable":true,"superseded_by":null,"supersedes":[],"first_seen_at":"2026-11-02T16:10:05.198183+00:00","updated_at":"2026-11-02T17:42:05.910183+00:00","sources":[{"url":"https://platform.claude.com/docs/en/release-notes/overview#2026-01-05","tier":"primary","publisher":"Anthropic","published_at":"2026-01-05T00:00:00+00:00"}],"evidence":{"by":"page-read","on":"2026-11-02","quote":"January 5, 2026  We’ve retired the Claude Opus 3 model ( claude-3-opus-20240229 ). All requests to this model will now return an error.","url":"https://platform.claude.com/docs/en/release-notes/overview#2026-01-05","excerpt":"We’ve retired the Claude Opus 3 model ( claude-3-opus-20240229 ). All requests to this model will now return an error. We recommend upgrading to Claude Opus 4.5 , which offers significantly improved intelligence at a third of the cost. Researchers can request ongoing access to Claude Opus 3 on the A"},"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"}}}