Models

Models from the labs in Epoch AI's catalog, the repositories they published on Hugging Face, and posts from their own news pages.

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Models Open weights Lab posts

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Lab

159 notable models, newest first. The date is Epoch AI's publication date for the model.

Claude Opus 5Anthropic · Language, Vision, MultimodalAPI accessJul 24 Qwen 3.8 MaxAlibaba · Language, Vision, Video · 2,400B parametersAPI accessJul 19 InklingThinking Machines · Language, Multimodal, Audio, Video, Vision · 975B parameters · Training compute 1.1e25 FLOPOpen weights (unrestricted)Jul 15 Solar Open2 250BUpstage · Language · 250B parameters · Training compute 1.1e24 FLOPOpen weights (unrestricted)Jun 28 Claude Fable 5Anthropic · Language, MultimodalAPI accessJun 9 Claude Mythos 5Anthropic · Language, MultimodalUnreleasedJun 9 Nemotron 3 UltraNvidia · Language · 550B parameters · Training compute 6.6e24 FLOPOpen weights (unrestricted)Jun 4 Qwen3.7-PlusAlibaba · Language, Vision, MultimodalAPI accessJun 3 MAI-Code-1-FlashMicrosoft · LanguageAPI accessJun 2 MAI-Image-2.5Microsoft · Image generationAPI accessJun 2 MiniMax-M3MiniMax · Language, Multimodal, Vision, Video · 428B parametersOpen weights (restricted use)Jun 1 Claude Opus 4.8Anthropic · LanguageAPI accessMay 28 Gemini 3.5 FlashGoogle DeepMind · Language, Multimodal, Audio, Video, VisionAPI accessMay 19 Composer 2.5Cursor · Language · 1,040B parameters · Training compute 3.9e25 FLOPAPI accessMay 18 TML-Interaction-SmallThinking Machines · Language, Multimodal, Audio, Video · 276B parametersUnreleasedMay 11 GPT-5.5 CyberOpenAI · CybersecurityUnreleasedMay 7 GPT-5.5 InstantOpenAI · Multimodal, Language, VisionAPI accessMay 5 DeepSeek-V4-FlashDeepSeek · Language · 284B parameters · Training compute 2.5e24 FLOPOpen weights (unrestricted)Apr 24 DeepSeek-V4-ProDeepSeek · Language · 1,600B parameters · Training compute 9.7e24 FLOPOpen weights (unrestricted)Apr 24 GPT-5.5OpenAI · Multimodal, Language, VisionAPI accessApr 23 GPT-5.5 ProOpenAI · Multimodal, Language, VisionAPI accessApr 23 GPT Image 2OpenAI · Image generationAPI accessApr 21 Claude Opus 4.7Anthropic · LanguageAPI accessApr 16 Gemini Flash 3.1 TTSGoogle DeepMind · AudioAPI accessApr 15 GPT-5.4-CyberOpenAI · Cybersecurity, LanguageLimited accessApr 14

Data: Epoch AI, CC BY 4.0. Changes: selected rows and columns of Epoch AI's database.