Inference
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HealthBench Hard

A harder subset of OpenAI's HealthBench for evaluating open-ended medical and health reasoning with rubric-based grading.

ModelsModels with a result.13
Top resultBest result on this benchmark.42.8%Muse Spark
Top-3 spreadPoints from first to third.6.2 pts
YearYear of release.—

Result and price

12 of 13 results

Results

13 results
#ModelResultThe score from the source.
01Muse SparkAbove fitFar above this model's index.42.8%
02GPT-5.440.1%
03GPT-6 Astra36.6%
04GPT-6.1 Sol36.2%
05GPT-5.6 Sol33.1%
06GPT-5.6 Terra32.7%
07GPT-5.6 Luna32.0%
08GPT-6.1 Terra31.4%
08GPT-6 Luna31.4%
10GPT-6 Sol30.1%
11Gemini 3.1 Pro20.6%
12Grok 4.2020.3%
13Claude Opus 4.614.8%