{"entity":"claude-3-opus","name":"Claude 3 Opus","events":[{"date":"2024-03-04","until":null,"published":"2024-03-04","recorded":"2026-11-04","predicate":"model_release","value":"Claude 3 Opus","status":"valid","assertable":true,"id":"clm_2CB39CC4620B","evidence":{"by":"page-read","on":"2026-11-04","quote":"Opus and Sonnet are now available to use in claude.ai and the Claude API which is now generally available in 159 countries .","url":"https://www.anthropic.com/news/claude-3-family"}},{"date":"2025-06-30","until":null,"published":null,"recorded":"2026-11-04","predicate":"deprecated","value":"claude-3-opus-20240229","status":"valid","assertable":true,"id":"clm_08C2E8EF4569","evidence":{"by":"page-read","on":"2026-11-04","quote":"On June 30, 2025, Anthropic notified developers using Claude Opus 3 of its upcoming retirement.","url":"https://platform.claude.com/docs/en/about-claude/model-deprecations"}},{"date":"2026-01-05","until":null,"published":null,"recorded":"2026-11-04","predicate":"retired","value":"claude-3-opus-20240229","status":"valid","assertable":true,"id":"clm_DB3E1BAE0435","evidence":{"by":"page-read","on":"2026-11-04","quote":"January 5, 2026 We’ve retired the Claude Opus 3 model ( claude-3-opus-20240229 ).","url":"https://platform.claude.com/docs/en/release-notes/overview"}}],"complete":true,"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"}}}