Epoch AI posts a clarification on how FrontierMath was made and is used
Posted a clarification on its relationship with OpenAI over how FrontierMath was made and used — OpenAI commissioned 300 problems and holds access to the problems and solutions (except a 50-problem holdout). Admitted it should have told contributors
Why it matters
Primary material on the problem of benchmark independence
Source — Primary sources first; secondary reports are labelled “Press”
Officialepoch.aihttps://epoch.ai/latest/openai-and-frontiermathAdded in Week 35, 2026 · See that week