HealthBench Hard A
AI benchmark · Knowledge
What is HealthBench Hard?
A harder subset of OpenAI's HealthBench for evaluating open-ended medical and health reasoning with rubric-based grading.
Tier A
Widely used: a lab reports it, or 50 or more models are scored on it.
How much stands behind a tier: usage, who backs it, a confirmed line from its own site or paper, and a clear read on X. High with three of the four, medium with two, low otherwise.
- 58 models scored
- in curated RL directories (2 pts)
On X · well regarded, low buzz, from 2 posts about HealthBench Hard in the last month
Small teams and researchers cite HealthBench Hard as a frontier medical reasoning benchmark when reporting results, but discussion volume is minimal.
How we got to tier A
- Adoption: 58 models scored. Tier A.
- On X: well regarded, low buzz. “Small teams and researchers cite HealthBench Hard as a frontier medical reasoning benchmark when reporting results, but discussion volume is minimal.” No move.
- In curated RL directories: 2 points, a floor of C.
- Not yet confirmed by a line from its own site or paper.
A clear view on X moves a tier one step up or down; most entries don't move. How tiers work.
Not on the map yet: no line from its own site or paper places it in a domain.
Next: browse all benchmarks. Entry from the RL Research daily scrape of public sources, 2026-10-11 snapshot.