Knowledge benchmark
HealthBench Professional leaderboard
Every model the catalog carries a published HealthBench Professional value for, ranked by that value.
An open benchmark for clinician-facing model responses across care consult, writing and documentation, and medical research tasks.
HealthBench Professional ranking
7 models with a published HealthBench Professional value, ordered by that value, highest first. Models the source has not scored on this benchmark are not listed — they are unmeasured, not last.
| Rank | Model | Provider | Rubric-graded open-ended responses |
|---|---|---|---|
| 1 |  GPT-6 Astra | OpenAI | 63.4 |
| 2 | GPT-5.6 Sol | OpenAI | 60.5 |
| 3 |  Claude Opus 5 | Anthropic | 59.8 |
| 4 |  Muse Spark 1.1 | Meta | 59.3 |
| 5 | GPT-5.6 Terra | OpenAI | 57.7 |
| 6 | GPT-5.6 Luna | OpenAI | 55.7 |
| 7 | GPT-5.4 | OpenAI | 48.1 |
Evidence key: Observed
Rows are ordered by the value HealthBench Professional: Evaluating Large Language Models on Real Clinician Chats published, highest first. The source does not state whether a higher value is the better result, so this page does not either: for a benchmark that measures a rate of failure, read the table from the bottom.