{"entity":"claude-1","id":"ent_claude-1","name":"Claude 1","predicate":"deprecated","label":"deprecation","page":"https://asof.is/record/claude-1/deprecated","as_of":"2026-11-04","summary":"As of November 4, 2026, the AsOf record says Claude 1 was deprecated on September 4, 2024 (as claude-1.3), from a primary source (platform.claude.com). The record holds 1 claim on Claude 1's deprecation, 1 still open and 0 superseded, each dated and sourced; a replaced value is closed with an end date, never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_FA2834065240"],"latest_period":null,"claims":[{"id":"clm_FA2834065240","value":"claude-1.3","valid_from":"2024-09-04","valid_to":null,"published":null,"recorded":"2026-11-04","confidence":0.95,"status":"valid","assertable":true,"superseded_by":null,"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":"On September 4, 2024, Anthropic notified developers using Claude 1 and Instant models of their upcoming retirements.","url":"https://platform.claude.com/docs/en/about-claude/model-deprecations"}}],"replaced":[],"faq":[{"question":"When was Claude 1 deprecated?","answer":"On September 4, 2024 (as claude-1.3), from a primary source (platform.claude.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"}}}