HealthBench Professional
We show this table for reference; we do not rank on it.
An open benchmark for clinician-facing model responses across care consult, writing and documentation, and medical research tasks.
Benchmark score on HealthBench Professional — September 27, 2026
We compile the HealthBench Professional rows from benchmark-owner or independent runs and provider self-reports. Claude Opus 5.5 leads the table at 65.6%, followed by GPT-6 Astra (64.7%) and GPT-6 Sol (60.8%). We do not use these results to rank models overall.
Claude Opus 5.5
Anthropic
GPT-6 Astra
OpenAI
GPT-6 Sol
OpenAI
11 modelsKnowledgeCurrentDisplay onlyUpdated September 27, 2026
Benchmark score table (11 models)
ScoreAmong the reported HealthBench Professional rows, Claude Opus 5.5 is first at 65.6%. The third row is 4.8 points behind. The broader top-10 range is 9.9 points, so many of the published results sit in a relatively narrow band.
11 models have been evaluated on HealthBench Professional. The benchmark falls in the Knowledge category. HealthBench Professional is currently displayed for reference but excluded from the scoring formula, so it does not directly affect overall rankings.
About HealthBench Professional
Year
2026
Tasks
Clinician chat tasks
Format
Rubric-graded open-ended responses
Difficulty
Professional clinical workflows
HealthBench Professional uses physician-authored clinician conversations and physician-written rubrics to evaluate model responses on difficult clinical tasks. BenchLM tracks it as a display-only health benchmark because some source rows include product harnesses rather than raw base-model capability.
Freshness and provenance
Version
HealthBench Professional 2026
Refresh cadence
Quarterly
Staleness state
Current
Question availability
Public benchmark set
BenchLM uses freshness metadata to decide whether a benchmark should still be treated as a strong differentiator, a benchmark to watch, or a display-only reference. For the full scoring policy, see the BenchLM methodology page.
Questions
What does HealthBench Professional measure?
An open benchmark for clinician-facing model responses across care consult, writing and documentation, and medical research tasks.
Which model scores highest on HealthBench Professional?
Claude Opus 5.5 by Anthropic currently leads with a score of 65.6% on HealthBench Professional.
How many models are evaluated on HealthBench Professional?
11 AI models have been evaluated on HealthBench Professional on BenchLM.
Compare top models on HealthBench Professional
Know when it’s worth switching models
The model to choose, the cheaper alternative, and the release we would wait on.
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