{"family":"claude","name":"Claude","developer":"anthropic","page":"https://asof.is/models/claude","as_of":"2026-11-04","summary":"As of November 4, 2026, the latest Claude model on the AsOf record is Claude Haiku 5.5, released on October 7, 2026 by Anthropic, from a primary source (support.claude.com). The newest in each other line: Claude Sonnet 5.5 (September 28, 2026), Claude Opus 5.5 (September 22, 2026), Claude Mythos 5.1 (September 1, 2026), Claude Fable 5.1 (September 1, 2026), Claude 2.1 (November 21, 2023) and Claude Instant 1.2 (August 9, 2023). The record holds 32 Claude models, 32 with a checked release date.","latest":{"slug":"claude-haiku-5-5","name":"Claude Haiku 5.5","line":"claude-haiku","aliases":["claude-haiku-5-5"],"record":"https://asof.is/record/claude-haiku-5-5","released":"2026-10-07","release":{"id":"clm_884128376B64","value":"Claude Haiku 5.5","valid_from":"2026-10-07","status":"valid","sources":[{"url":"https://support.claude.com/en/articles/12138966-release-notes","tier":"primary","publisher":"Anthropic (news)"}]},"predecessors":[],"successors":[],"deprecated":null,"retired":null},"lines":[{"line":"claude-haiku","latest":"claude-haiku-5-5","models":[{"slug":"claude-3-haiku","name":"Claude 3 Haiku","line":"claude-haiku","aliases":["claude-3-haiku-20240307"],"record":"https://asof.is/record/claude-3-haiku","released":"2024-03-13","release":{"id":"clm_60C2CD971E74","value":"Claude 3 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