Organization
Ai2 (Allen Institute for AI)
Model developer · Research lab · Nonprofit research · Seattle, Washington
Ai2 is a non-profit AI research institute in Seattle, founded in 2014 by Paul Allen. Its work covers open models and training data, as well as robotics, conservation, and other applied research.1
Key facts
What is and isn’t public
Ai2's developer documentation states that it releases training code, training data, model weights, and recipes for its flagship models. This catalog assesses openness release by release (see the OLMo release records), not for the organization as a whole; Asta and Semantic Scholar are hosted services.5910
Products
Hosted model products
Labeled Closed product/API — this describes how a documented product is delivered (hosted access). It is not an open artifact and says nothing about other releases by the same organization.
| Product | Kind | Documented delivery and access | Reviewed |
|---|---|---|---|
| Ai2 Playground (external site: playground.allenai.org) | Assistant app | Web chat interface for trying Ai2 models such as Olmo 3, including the OlmoTrace tool for tracing parts of a response back to training data.78 | Sep 29, 2026 |
| Asta (external site: asta.allen.ai) | Assistant app | Agentic research assistant for scholarly tasks, used on the web at asta.allen.ai; the Asta page also covers the AstaBench benchmark suite and developer resources and invites users to sign up for a preview.9 | Sep 29, 2026 |
Other products
| Product | Kind | Documented delivery and access | Reviewed |
|---|---|---|---|
| Semantic Scholar (external site: semanticscholar.org) | Other | Free AI-assisted search and discovery service for research literature, with the Semantic Scholar Academic Graph datasets and APIs for developers.10 | Sep 29, 2026 |
Related open artifacts
Model releases
- Llama 3.1 Tülu 3.1 8BModel releaseAvailability: PublicModel-disclosure tier (USASI rubric v0.1): Open-stack
- Molmo2-O 7BModel releaseAvailability: PublicModel-disclosure tier (USASI rubric v0.1): Open-stack
- Olmo 3 7B (base)Model releaseAvailability: PublicModel-disclosure tier (USASI rubric v0.1): Open-stack
- Olmo 3 7B InstructModel releaseAvailability: PublicModel-disclosure tier (USASI rubric v0.1): Open-stack
- Olmo 3.1 32B ThinkModel releaseAvailability: PublicModel-disclosure tier (USASI rubric v0.1): Fully open
Datasets
- DolmaDatasetAvailability: Public
Notable documented facts
- Ai2's developer documentation directs users who want hosted API access to Olmo models to OpenRouter and to Ai2's inference providers Cirrascale and Parasail.6
U.S. eligibility
Eligible · basis: U.S. nonprofit or lab
Ai2 describes itself as a Seattle-based non-profit AI research institute, and its contact page lists a Seattle, Washington address. The IRS exempt-organization extract for Washington lists The Allen Institute for Artificial Intelligence in Seattle as a 501(c)(3) organization.123
Sources
This listing is not an endorsement or a federal approval.