Models
Models from the labs in Epoch AI's catalog, the repositories they published on Hugging Face, and posts from their own news pages.
Claude Haiku 5.5Anthropic · Language, VisionAPI accessOct 7Claude Sonnet 5.5Anthropic · Language, Multimodal, VisionAPI accessSep 28Claude Opus 5.5Anthropic · LanguageAPI accessSep 22Claude Fable 5.1Anthropic · Language, Multimodal, VisionAPI accessSep 1Claude Opus 5Anthropic · Language, Vision, MultimodalAPI accessJul 24Claude Sonnet 5Anthropic · Language, MultimodalAPI accessJun 30Claude Fable 5Anthropic · Language, MultimodalAPI accessJun 9Claude Mythos 5Anthropic · Language, MultimodalUnreleasedJun 9Claude Opus 4.8Anthropic · LanguageAPI accessMay 28Claude Opus 4.7Anthropic · LanguageAPI accessApr 16Claude Mythos PreviewAnthropic · Language, MultimodalLimited accessApr 7Claude Sonnet 4.6Anthropic · Language, Multimodal, VisionAPI accessFeb 17Claude Opus 4.6Anthropic · Language, Multimodal, VisionAPI accessFeb 5Claude Opus 4.5Anthropic · Language, Multimodal, VisionAPI accessNov 24, 2025Claude Haiku 4.5Anthropic · LanguageAPI accessOct 15, 2025Claude Sonnet 4.5Anthropic · Language, Vision, MultimodalAPI accessSep 29, 2025Claude Opus 4.1Anthropic · Language, Multimodal, VisionAPI accessAug 5, 2025Claude GovAnthropic · LanguageUnreleasedJun 5, 2025Claude Opus 4Anthropic · Language, Multimodal, VisionAPI accessMay 22, 2025Claude Sonnet 4Anthropic · Language, Multimodal, VisionAPI accessMay 22, 2025Claude 3.7 SonnetAnthropic · Language, Vision, Multimodal · Training compute 3.4e25 FLOPAPI accessFeb 24, 2025
Data: Epoch AI, CC BY 4.0. Changes: selected rows and columns of Epoch AI's database.