Models
Models from the labs in Epoch AI's catalog, the repositories they published on Hugging Face, and posts from their own news pages.
EXAONE 4.5LG AI Research · Language, Multimodal · 33.2B parameters · Training compute 3.9e24 FLOPOpen weights (restricted use)Apr 9
Muse SparkMeta AI · Multimodal, Language, VisionAPI accessApr 8Claude Mythos PreviewAnthropic · Language, MultimodalLimited accessApr 7GLM-5.1Z.ai (Zhipu AI) · Language · 754B parametersOpen weights (unrestricted)Apr 7MolmoAct 2Allen Institute for AI, University of Washington, National University of Singapore, University of Pennsylvania, Johns Hopkins University, Amazon, Cortex AI · Vision, Language, Robotics · 5.5B parameters · Training compute 1.1e22 FLOPOpen weights (unrestricted)Apr 5Qwen 3.6 PlusAlibaba · Language, MultimodalAPI accessApr 1Qwen3.5-Omni-FlashAlibaba · Language, Multimodal, Vision, AudioAPI accessMar 29Qwen3.5-Omni-PlusAlibaba · Language, Multimodal, Vision, AudioAPI accessMar 29Composer 2Cursor · Language · 1,040B parameters · Training compute 2.3e25 FLOPAPI accessMar 19Nemotron 3 SuperNvidia · Language · 120B parametersOpen weights (unrestricted)Mar 11GPT-5.4OpenAI · Multimodal, Language, VisionAPI accessMar 5GPT-5.4 ProOpenAI · Multimodal, Language, VisionAPI accessMar 5Gemini 3.0 Flash-liteGoogle DeepMind · LanguageAPI accessMar 3SWE 1.6Cognition · LanguageHosted access (no API)Mar 1Qwen3.5-122B-A10BAlibaba · Language · 122B parametersOpen weights (restricted use)Feb 24Grok 4.20xAI · Language · 500B parametersAPI accessFeb 17Qwen3.5 397B-A17BAlibaba · Language, Vision · 397B parametersOpen weights (unrestricted)Feb 15GLM-5Z.ai (Zhipu AI) · Language · 744B parameters · Training compute 6.8e24 FLOPOpen weights (unrestricted)Feb 12GPT-5.3-Codex-SparkOpenAI · LanguageHosted access (no API)Feb 12GPT-5.3 CodexOpenAI · LanguageAPI accessFeb 5Qwen3-Coder-NextAlibaba · Language · 80B parametersOpen weights (unrestricted)Feb 2Qwen3-Max-ThinkingAlibaba · LanguageAPI accessJan 25K-EXAONELG AI Research · Language · 236B parameters · Training compute 1.5e24 FLOPOpen weights (restricted use)Dec 31, 2025Solar Open 100BUpstage · Language · 102B parameters · Training compute 1.4e24 FLOPOpen weights (restricted use)Dec 31, 2025MiniMax-M2.1MiniMax · Language · 229B parametersOpen weights (restricted use)Dec 23, 2025Data: Epoch AI, CC BY 4.0. Changes: selected rows and columns of Epoch AI's database.