Organization
Center for AI Safety (CAIS)
Center for AI Safety (CAIS) is a nonprofit research organization and research lab headquartered in San Francisco, California18. This catalog lists 1 evaluation tool from Center for AI Safety (CAIS), under licenses including the MIT License (dataset).
Documented roles: Nonprofit research · Research lab
The Center for AI Safety is a San Francisco-based research and field-building nonprofit whose stated mission is to reduce societal-scale risks from artificial intelligence. Its work covers technical safety research, including benchmarks, as well as field-building and advising industry and policymakers.124
Using this organization’s offerings
The detailed audience, self-hosting, pricing, and restrictions review has not yet been completed. Consult the sourced product records below and the publisher’s current terms. Missing detail means unknown, not unavailable.
Key facts
- Ownership (separate from openness)
- Nonprofit
Recorded classification; fact-level ownership verification pending.
- Legal form
- Corporation recognized by the IRS as tax-exempt under Section 501(c)(3); the IRS extract classifies it as an organization receiving substantial support from a governmental unit or the general public (170(b)(1)(A)(vi)).389
- Founded
- Unknown
- Sectors
- Research
What is and isn’t public
Products
No product records yet.
Cataloged artifacts
Evaluation tools
- Humanity's Last Exam (HLE)Evaluation toolAvailability: Partial
Notable documented facts
- CAIS's research page lists benchmarks it has published, including Humanity's Last Exam, the WMDP benchmark for hazardous knowledge, and HarmBench for automated red teaming.4
- Humanity's Last Exam was organized by a team from CAIS and Scale AI, with questions contributed by subject experts at institutions in many countries.5
In the news
CAIS and Scale AI release HLE-Diamond, a refined 1,000-question subset of Humanity's Last Exam
On September 22, 2026, the Center for AI Safety and Scale AI released HLE-Diamond, which the release notes describe as a refined subset of the Humanity's Last Exam (HLE) question collection, produced through a year-long process of cleaning and refinement with input from research communities. HLE-Diamond has 1,000 questions, split evenly into 500 reasoning and 500 knowledge questions, and is designed to be answered closed-book, with separate recommended settings for evaluations that use tools. The dataset is on Hugging Face as cais/hle-diamond, where the card lists an MIT license, requires agreeing to share contact information before access, and asks that the dataset not be publicly shared or re-uploaded.
What this catalog does not know
- Founding date: not documented in the sources reviewed.
- Products: none documented in this record.
Have a primary source? How to report a correction.
U.S. eligibility
Eligible · basis: U.S. nonprofit or lab
CAIS describes itself as a San Francisco-based nonprofit, and its donation page states that the Center for Artificial Intelligence Safety is a U.S. 501(c)(3) organization with EIN 88-1751310. The IRS exempt-organization extract for California lists that EIN as Center for Artificial Intelligence Safety Inc at a San Francisco address, with 501(c)(3) status.138
Sources
This listing is not an endorsement or a federal approval.
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APA style
USASI. (2026, October 13). Center for AI Safety (CAIS). United States of America Superintelligence. https://unitedstatesofamericasuperintelligence.com/companies/center-for-ai-safety/
BibTeX
@misc{usasi_center_for_ai_safety,
author = {{USASI}},
title = {Center for AI Safety (CAIS)},
year = {2026},
month = oct,
howpublished = {\url{https://unitedstatesofamericasuperintelligence.com/companies/center-for-ai-safety/}},
note = {United States of America Superintelligence. Last updated 2026-10-13}
}The date is when this page was last updated. Add the date you read it if your style needs one.
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