{"id":"clm_BEF063B946C7","entity":"claude-sonnet-5-5","predicate":"predecessor","value":"Claude Sonnet 5","value_json":{"note":"'It' = Claude Sonnet 5.5 (preceding sentence)","check":{"by":"research, quote read on the page","on":"2026-11-04","url":"https://www.anthropic.com/news/claude-sonnet-5-5","quote":"It’s a clear upgrade over Claude Sonnet 5, runs 30%+ faster, and costs up to 30% less for most work.","outcome":"checked","dated_by":"near"},"entity":"claude-sonnet-5"},"valid_from":"2026-09-28","valid_to":null,"published":"2026-09-28","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://www.anthropic.com/news/claude-sonnet-5-5","tier":"primary","publisher":"Anthropic (news)","published_at":"2026-09-28T00:00:00+00:00"}],"evidence":{"by":"page-read","on":"2026-11-04","quote":"It’s a clear upgrade over Claude Sonnet 5, runs 30%+ faster, and costs up to 30% less for most work.","url":"https://www.anthropic.com/news/claude-sonnet-5-5"},"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"}}}