{"id":"clm_C2876AD1EB33","entity":"claude-mythos-preview","predicate":"deprecated","value":"claude-mythos-preview","value_json":{"note":"model status table row; retirement date to be announced","check":{"by":"research, quote read on the page","on":"2026-11-04","url":"https://platform.claude.com/docs/en/about-claude/model-deprecations","quote":"claude-mythos-preview Deprecated June 9, 2026 To be announced","outcome":"checked","dated_by":"quote"}},"valid_from":"2026-06-09","valid_to":null,"published":null,"recorded":"2026-11-04","confidence":0.95,"status":"valid","assertable":true,"superseded_by":null,"supersedes":[],"first_seen_at":"2026-11-04T02:40:06.661518+00:00","updated_at":"2026-11-04T02:40:23.583789+00:00","sources":[{"url":"https://platform.claude.com/docs/en/about-claude/model-deprecations","tier":"primary","publisher":"Anthropic (docs, model deprecations)","published_at":null}],"evidence":{"by":"page-read","on":"2026-11-04","quote":"claude-mythos-preview Deprecated June 9, 2026 To be announced","url":"https://platform.claude.com/docs/en/about-claude/model-deprecations"},"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"}}}