The Allen Institute for AI (Ai2) is a 501(c)(3) nonprofit research institute based in Seattle, established in 2014 by Microsoft co-founder Paul Allen. It conducts open AI research and publishes fully open language models such as the Olmo family, along with the Molmo multimodal models and Tulu post-training recipes.
- Founded
- 2014
- Type
- Nonprofit
- Founder
- Paul Allen
- AI lab
Catalogue
All models by Ai2
31 models · 26–31
| Select models to compare | Model | Released | Context | Input /M | Output /M | Parameters | Type | I/O | Openness |
|---|---|---|---|---|---|---|---|---|---|
 Molmo 7B-DAi2 | September 25, 2024 | — | — | — | 8B | Text | text, image → text | Open weights | |
| OLMoE 1B-7BAi2 | September 4, 2024 | — | — | — | 6.9B | Text | text → text | Open weights | |
| OLMo 1.7 7BAi2 | April 17, 2024 | — | — | — | 6.9B | Text | text → text | Open weights | |
| OLMo 1BAi2 | February 1, 2024 | — | — | — | 1.2B | Text | text → text | Open weights | |
| OLMo 7BAi2 | February 1, 2024 | — | — | — | 6.9B | Text | text → text | Open weights | |
| Tulu 2 DPO 70BAi2 | December 8, 2023 | — | — | — | 69B | Text | text → text | Open weights |