Models
Models from the labs in Epoch AI's catalog, the repositories they published on Hugging Face, and posts from their own news pages.
GPT-5.6 SolOpenAI · Multimodal, Language, VisionAPI accessJul 9GPT-5.6 TerraOpenAI · Multimodal, Language, VisionAPI accessJul 9Muse Spark 1.1Meta AI · LanguageAPI accessJul 9Grok 4.5xAI · Language · 1,500B parametersAPI accessJul 8SWE-1.7Cognition · LanguageJul 8Muse ImageMeta AI · Image generationHosted access (no API)Jul 7
GPT-Realtime-2.1-MiniOpenAI · Audio generation, Audio question answeringAPI accessJul 6
Gemma 4 E2BGoogle DeepMind · Language, Vision, Speech, Multimodal · 1.9B parametersOpen weights (unrestricted)Jul 2Gemma 4 E4BGoogle DeepMind · Language, Vision, Speech, Multimodal · 4B parametersOpen weights (unrestricted)Jul 2Claude Sonnet 5Anthropic · Language, MultimodalAPI accessJun 30Solar Open2 250BUpstage · Language · 250B parameters · Training compute 1.1e24 FLOPOpen weights (unrestricted)Jun 28GLM-5.2Z.ai (Zhipu AI) · Language · 744B parametersOpen weights (unrestricted)Jun 16DiffusionGemma 26B-A4BDeepMind · Language, Vision, Multimodal · 25.2B parametersOpen weights (unrestricted)Jun 10Claude Fable 5Anthropic · Language, MultimodalAPI accessJun 9Claude Mythos 5Anthropic · Language, MultimodalUnreleasedJun 9North Mini CodeCohere · Language · 30B parametersOpen weights (unrestricted)Jun 9Nemotron 3 UltraNvidia · Language · 550B parameters · Training compute 6.6e24 FLOPOpen weights (unrestricted)Jun 4Gemma 4 12BGoogle DeepMind · Language, Multimodal, Audio · 12B parametersOpen weights (unrestricted)Jun 3Qwen3.7-PlusAlibaba · Language, Vision, MultimodalAPI accessJun 3MAI-Code-1-FlashMicrosoft · LanguageAPI accessJun 2MAI-Image-2.5Microsoft · Image generationAPI accessJun 2MAI-Thinking-1Microsoft · Language · 962B parameters · Training compute 7e24 FLOPAPI accessJun 2MiniMax-M3MiniMax · Language, Multimodal, Vision, Video · 428B parametersOpen weights (restricted use)Jun 1Grok Build 0.1xAI · LanguageAPI accessMay 29Claude Opus 4.8Anthropic · LanguageAPI accessMay 28Data: Epoch AI, CC BY 4.0. Changes: selected rows and columns of Epoch AI's database.