{"entity":"claude-sonnet-5","id":"ent_claude-sonnet-5","name":"Claude Sonnet 5","predicate":"context_window","label":"context window","page":"https://asof.is/record/claude-sonnet-5/context_window","as_of":"2026-11-04","summary":"As of November 4, 2026, Claude Sonnet 5's context window on the AsOf record is 1 M token context window, dated June 30, 2026, from a primary source (platform.claude.com). The record holds 1 claim on Claude Sonnet 5's context window, 1 still open and 0 superseded, each dated and sourced; a replaced value is closed with an end date, never deleted.","current":["clm_7223EDC27895"],"latest_period":null,"claims":[{"id":"clm_7223EDC27895","value":"1M token context window","valid_from":"2026-06-30","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/release-notes/overview","tier":"primary","publisher":"Anthropic (Claude Platform release notes)","published_at":null}],"evidence":{"by":"page-read","on":"2026-11-04","quote":"June 30, 2026 We’ve launched Claude Sonnet 5 ( claude-sonnet-5 ), the next generation of our Sonnet model family, at introductory pricing of $2 / $10 USD per MTok (made the standard price on August 10, 2026). Claude Sonnet 5 supports a 1M token context window","url":"https://platform.claude.com/docs/en/release-notes/overview"}}],"replaced":[],"faq":[{"question":"What is Claude Sonnet 5's current context window?","answer":"1 M token context window, dated June 30, 2026, from a primary source (platform.claude.com). The record asserts this claim as of November 4, 2026 (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"}}}