https://unitedstatesofamericasuperintelligence.com/open/humanitys-last-exam/ Dated, sourced news items in the USASI catalog that mention Humanity's Last Exam (HLE). Independent project. Not a United States government website. en-us Tue, 13 Oct 2026 12:00:00 GMT https://unitedstatesofamericasuperintelligence.com/news/cais-and-scale-ai-release-hle-diamond/ https://unitedstatesofamericasuperintelligence.com/news/cais-and-scale-ai-release-hle-diamond/ Tue, 13 Oct 2026 12:00:00 GMT release 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.