Models
Models from the labs in Epoch AI's catalog, the repositories they published on Hugging Face, and posts from their own news pages.
MolmoAct 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 5Olmo 3Allen Institute for AI · Language · 32B parameters · Training compute 1.1e24 FLOPOpen weights (unrestricted)Nov 20, 2025Olmo 3.1 32B ThinkAllen Institute for AI, University of Washington, Carnegie Mellon University (CMU), Stanford University, Mila - Quebec AI (originally Montreal Institute for Learning Algorithms), University of Montreal / Université de Montréal, Princeton University, Massachusetts Institute of Technology (MIT), University of Maryland · Language · 32B parametersOpen weights (unrestricted)Nov 20, 2025Olmo 3 32B InstructAllen Institute for AI, University of Washington, Carnegie Mellon University (CMU), Stanford University, Mila - Quebec AI (originally Montreal Institute for Learning Algorithms), University of Montreal / Université de Montréal, Princeton University, Massachusetts Institute of Technology (MIT), University of Maryland · Language · 32B parametersOpen weights (unrestricted)Nov 20, 2025Olmo 3 7B ThinkAllen Institute for AI, University of Washington, Carnegie Mellon University (CMU), Stanford University, Mila - Quebec AI (originally Montreal Institute for Learning Algorithms), University of Montreal / Université de Montréal, Princeton University, Massachusetts Institute of Technology (MIT), University of Maryland · Language · 7B parametersOpen weights (unrestricted)Nov 20, 2025MolmoAct-7B-DAllen Institute for AI, University of Washington · Robotics · 7B parametersOpen weights (unrestricted)Aug 19, 2025AtlantesAllen Institute for AIApr 26, 2025CodeScientistAllen Institute for AIMar 20, 2025OLMo 2 32BAllen Institute for AI · Language · 32B parameters · Training compute 1.3e24 FLOPOpen weights (unrestricted)Mar 13, 2025s1.1Stanford University, University of Washington, Allen Institute for AI, Contextual AI · Language · 32B parametersOpen weights (unrestricted)Jan 31, 2025s1-32BStanford University, University of Washington, Allen Institute for AI, Contextual AI · Language · 32B parametersOpen weights (unrestricted)Jan 31, 2025Tulu 3 405BAllen Institute for AI, University of Washington · Language · 405B parametersOpen weights (restricted use)Jan 30, 2025s1Stanford University, University of Washington, Allen Institute for AI, Contextual AI · Language · 32B parametersOpen weights (unrestricted)Jan 14, 2025
Data: Epoch AI, CC BY 4.0. Changes: selected rows and columns of Epoch AI's database.