Olmo 3.1 32B Think is an AI model developed by Allen 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 and 3 more (United States and Canada), first published in November 2025. It works in the language domain, on tasks such as language modeling/generation, chat, code generation and 2 more.
Epoch AI has no training-compute estimate for this model. The model has 32,000,000,000 parameters. Training ran on 1,024 NVIDIA H100 SXM5 80GB.
Access: Open weights (unrestricted). Its weights are openly available. Epoch AI rates the confidence of this record as likely.