{"id":"clm_BA7B44818BA4","entity":"claude","predicate":"default_model","value":"Claude 2.1","value_json":{"note":"free and Pro tiers","check":{"by":"research, quote read on the page","on":"2026-11-04","url":"https://www.anthropic.com/news/claude-2-1","quote":"Claude 2.1 is available now in our API, and is also powering our chat interface at claude.ai for both the free and Pro tiers.","outcome":"checked","dated_by":"page"},"ended":{"on":"2024-03-04","url":"https://www.anthropic.com/news/claude-3-family","quote":"Sonnet is powering the free experience on claude.ai, with Opus available for Claude Pro subscribers."},"value_as":"Claude 2.1"},"valid_from":"2023-11-21","valid_to":"2024-03-04","published":"2023-11-21","recorded":"2026-11-04","confidence":0.95,"status":"superseded","assertable":true,"superseded_by":"clm_F56FF5CB2BA0","supersedes":["clm_4DE505E72B96"],"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-2-1","tier":"primary","publisher":"Anthropic","published_at":"2023-11-21T00:00:00+00:00"},{"url":"https://www.anthropic.com/news/claude-3-family","tier":"primary","publisher":"Anthropic","published_at":"2024-03-04T00:00:00+00:00"}],"evidence":{"by":"page-read","on":"2026-11-04","quote":"Claude 2.1 is available now in our API, and is also powering our chat interface at claude.ai for both the free and Pro tiers.","url":"https://www.anthropic.com/news/claude-2-1"},"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"}}}