Ai2

The Allen Institute for AI builds OLMo, fully open models with open data and training code.

Models
10
Founded
2014
Based in
Seattle

Ai2 models

#ModelLab
1Olmo 3.1 32B InstructAi21311−1———2026-01-27
2Olmo 3 32B ThinkAi21300−0———2025-12-05
3Molmo 2 8BAi21288−6———2026-02-09
4Olmo 3.1 32B ThinkAi21271+1———2026-01-27
5Llama 3.1 Tulu 3 70BAi21256+0———2025-01-05
6OLMo 2 32B InstructAi21218————2026-10-20
7Llama 3.1 Tulu 3 8BAi21193+0———2025-01-05
8OLMo 7B InstructAi21032+0———2024-03-07
9Molmo 72BAi2——————
10Molmo 7B-DAi2——————

Sources

Every number on this page comes from these sources; models without a published number show none. Download the data. Cite as “Nexus Explorer, nexus.inc/models”.