{"id":"clm_E5951B26C3BA","entity":"anthropic","predicate":"released","value":"Claude 3.5 Sonnet","value_json":{"feed":"anthropic-news","item":"https://www.anthropic.com/news/claude-3-5-sonnet","tags":{"v":2,"ai":true,"by":"claude-haiku-5-5","on":"2026-10-31","themes":["reasoning"],"model_tier":"frontier","release_kind":"model"},"check":{"on":"2026-10-31","url":"https://www.anthropic.com/news/claude-3-5-sonnet","pages":1,"quote":"Today, we’re launching Claude 3.5 Sonnet—our first release in the forthcoming Claude 3.5 model family.","outcome":"checked"},"extracted_by":"claude-haiku-5-5","primary_source":true},"valid_from":"2024-06-21","valid_to":null,"published":"2024-06-21","recorded":"2026-10-27","confidence":0.7,"status":"valid","assertable":true,"superseded_by":null,"supersedes":[],"first_seen_at":"2026-10-27T19:22:47.305333+00:00","updated_at":"2026-10-31T03:22:12.333368+00:00","sources":[{"url":"https://www.anthropic.com/news/claude-3-5-sonnet","tier":"primary","publisher":"Anthropic","published_at":"2024-06-21T00:00:00+00:00"}],"evidence":{"by":"page-read","on":"2026-10-31","quote":"Today, we’re launching Claude 3.5 Sonnet—our first release in the forthcoming Claude 3.5 model family.","url":"https://www.anthropic.com/news/claude-3-5-sonnet"},"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"}}}