{"id":"clm_884128376B64","entity":"claude-haiku-5-5","predicate":"model_release","value":"Claude Haiku 5.5","value_json":{"note":"Oct 7, 2026 is right: Claude apps notes, the API release notes (Oct 7 entry) and the anthropic.com/news post (dated October 7, 2026) agree; the record's 2026-10-13 is the date of an AWS weekly roundup, not the release","check":{"by":"research, quote read on the page","on":"2026-11-04","url":"https://support.claude.com/en/articles/12138966-release-notes","quote":"October 7, 2026 Claude Haiku 5.5 launch We just launched Claude Haiku 5.5, the cheapest, fastest, and most capable small model we’ve released, designed for high-volume, cost-sensitive tasks.","outcome":"checked","dated_by":"quote"},"developer":"anthropic"},"valid_from":"2026-10-07","valid_to":null,"published":null,"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://support.claude.com/en/articles/12138966-release-notes","tier":"primary","publisher":"Anthropic (news)","published_at":null}],"evidence":{"by":"page-read","on":"2026-11-04","quote":"October 7, 2026 Claude Haiku 5.5 launch We just launched Claude Haiku 5.5, the cheapest, fastest, and most capable small model we’ve released, designed for high-volume, cost-sensitive tasks.","url":"https://support.claude.com/en/articles/12138966-release-notes"},"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"}}}