Data

The complete leaderboard, every score and every API fact on this site, is published in machine-readable form at stable URLs. The files carry the same 2026-08-16 version stamp as the pages, are regenerated together with them, and are licensed CC BY 4.0, so they can be reused with attribution.

Downloads

• leaderboard.json
  full results with benchmark metadata
• leaderboard.csv
  one row per model, spreadsheet-ready
• llms.txt
  site index for language model agents
• llms-full.txt
  the whole leaderboard as one plain-text document

Citing this leaderboard

Suggested format:

Arcophos. HealthBench Professional Leaderboard. August 16, 2026 snapshot. https://healthbenchprofessional.com. Accessed [date].

For the benchmark itself, cite OpenAI's paper: arxiv.org/abs/2604.27470. The scores here are independent runs, produced as described on the methodology page, and can differ from the paper's numbers.

Versions

The download URLs never change. New fields may be added; existing fields are not renamed. Changes are announced on the updates page.