{"id":"clm_50F23B443136","entity":"claude","predicate":"default_model","value":"Claude Sonnet 4.6","value_json":{"note":"Free and Pro plans","check":{"by":"research, quote read on the page","on":"2026-11-04","url":"https://www.anthropic.com/news/claude-sonnet-4-6","quote":"For those on our Free and Pro plans , Claude Sonnet 4.6 is now the default model in claude.ai and Claude Cowork .","outcome":"checked","dated_by":"page"},"ended":{"on":"2026-06-30","url":"https://www.anthropic.com/news/claude-sonnet-5","quote":"From today, Claude Sonnet 5 is available across all plans: it is the default model for Free and Pro plans, and is available to Max, Team, and Enterprise users."},"value_as":"Claude Sonnet 4.6"},"valid_from":"2026-02-17","valid_to":"2026-06-30","published":"2026-02-17","recorded":"2026-11-04","confidence":0.95,"status":"superseded","assertable":true,"superseded_by":"clm_0DC1F7EBBD47","supersedes":["clm_E6D59A90B884"],"first_seen_at":"2026-11-04T02:40:06.661518+00:00","updated_at":"2026-11-04T02:40:06.661518+00:00","sources":[{"url":"https://www.anthropic.com/news/claude-sonnet-5","tier":"primary","publisher":"Anthropic","published_at":"2026-06-30T00:00:00+00:00"},{"url":"https://www.anthropic.com/news/claude-sonnet-4-6","tier":"primary","publisher":"Anthropic","published_at":"2026-02-17T00:00:00+00:00"}],"evidence":{"by":"page-read","on":"2026-11-04","quote":"For those on our Free and Pro plans , Claude Sonnet 4.6 is now the default model in claude.ai and Claude Cowork .","url":"https://www.anthropic.com/news/claude-sonnet-4-6"},"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"}}}