Ai2
Ai2, or the Allen Institute for AI, is a non-profit scientific research institute based in Seattle, Washington. Founded in 2014 by Paul Allen, the institute focuses on high-impact artificial intelligence research and engineering aimed at benefiting society. With nearly 300 researchers and staff, Ai2 emphasizes foundational AI innovations across various domains, including large-scale open models, data, robotics, and conservation. The institute is known for its influential projects and tools, such as Semantic Scholar, an AI-powered academic search engine that enhances literature reviews for researchers. Another key offering is AllenNLP, an open-source library that supports natural language processing research. Ai2 also developed OLMo, a large language model that showcases their advancements in open AI models. Committed to openness and collaboration, Ai2 serves the AI research community by providing valuable resources and fostering partnerships to drive AI innovation for the common good.
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Headcount trend
Ai2 went from 226 employees in Jul 2023 to 227 in Jun 2025. Jan to Jun 2025: 36 people joined, 11 left.
Headcount data through Jun 2025
Org structure
Headcount by department
Funding
- May 2023 · $30M
- Jan 2020 · $10M
Salaries at Ai2
All salaries1 salary profiles in the US
H-1B sponsorship
The department split adds up all the years listed above. FY2026 alone: 4 filings.
Peer reviews
Worked with someone at Ai2?
Anonymous peer reviews on OffTheRecord
Similar companies
Ai2 FAQ
How many employees does Ai2 have?
Ai2 has about 227 employees, up 3.7% over the 3 months to Jun 2025.
Does Ai2 sponsor H1B visas?
Yes. Ai2 filed 4 H1B (LCA) applications in FY2026, according to the latest U.S. Department of Labor disclosures. Most of them were for Engineering roles.
What is Ai2's revenue per employee?
Ai2 makes about $1.06M in revenue per employee, based on $240M annual revenue and 227 employees.
How much does Ai2 pay?
6figr has 1 salary profile for Ai2 in the US, with pay broken down by role, level, gender and ethnicity on the Ai2 salaries page. See Ai2 salaries
How much funding has Ai2 raised?
Ai2 has raised $40M in total funding.
Data from Company Prospectus, DOL LCA disclosures, WARN notices and 6figr salary profiles.