healthcare benchmark
HealthBench Professional Leaderboard
HealthBench Professional evaluates model capability and safety for clinician use cases using real clinician-style chats and physician-authored grading rubrics.
Updated Aug 17, 2026
Models9
Model coverage9
MetricScore
EvidenceB
HealthBench Professional Ranking
Higher score ranks better on this benchmark.
Sort by
Rank | Model | Score | Percentile | Participants | Evidence | Evaluated |
|---|
| Rank01 | ModelAN | Score66.0% | Percentile100.0% | Participants9 | EvidenceC | Evaluated |
| Rank02 | ModelOP | Score60.5% | Percentile87.5% | Participants9 | EvidenceC | Evaluated |
| Rank03 | ModelAN | Score59.8% | Percentile75.0% | Participants9 | EvidenceC | Evaluated |
| Rank04 | ModelAN | Score57.8% | Percentile62.5% | Participants9 | EvidenceC | Evaluated |
| Rank05 | ModelOP | Score57.7% | Percentile50.0% | Participants9 | EvidenceC | Evaluated |
| Rank06 | ModelAN | Score55.8% | Percentile37.5% | Participants9 | EvidenceC | Evaluated |
| Rank07 | ModelOP | Score55.7% | Percentile25.0% | Participants9 | EvidenceC | Evaluated |
| Rank08 | ModelOP | Score38.4% | Percentile12.5% | Participants9 | EvidenceC | Evaluated |
| Rank09 | ModelMI | Score35.0% | Percentile0.0% | Participants9 | EvidenceC | Evaluated |
HealthBench Professional Highlights
The leading models and scores on this benchmark.
HealthBench Professional Score Distribution
A closer view of the leading scores on this benchmark.
The Top AI Models for HealthBench Professional
The first five results on this benchmark, with official price and output speed added where the model identity can be matched.
Ranking basisThis healthbench professional AI model leaderboard uses descending score in the benchmark's original unit. The leaderboard ranking keeps matched price and speed data separate from benchmark evidence.
- 01ANClaude Fable 5Anthropic
- Score
- 66.0%
- Price
- $10 input / $50 output per 1M tokens
- Speed
- Up to 9.1 tok/s via Anthropic
Strengths
- Ranks #1 of 9 compared models
- 100th percentile on this benchmark
- C evidence result
Considerations
- This result measures HealthBench Professional, not total model capability
- 02OPGPT-5.6 SolOpenAI
- Score
- 60.5%
- Price
- $5.0 input / $30 output per 1M tokens
- Speed
- Up to 27 tok/s via OpenAI
Strengths
- Ranks #2 of 9 compared models
- 88th percentile on this benchmark
- C evidence result
Considerations
- This result measures HealthBench Professional, not total model capability
- 03ANClaude Opus 5Anthropic
- Score
- 59.8%
- Price
- $5.0 input / $25 output per 1M tokens
- Speed
- Up to 3.3 tok/s via Anthropic
Strengths
- Ranks #3 of 9 compared models
- 75th percentile on this benchmark
- C evidence result
Considerations
- This result measures HealthBench Professional, not total model capability
- 04ANClaude Sonnet 5Anthropic
- Score
- 57.8%
- Price
- $2.0 input / $10 output per 1M tokens
- Speed
- Up to 11 tok/s via Anthropic
Strengths
- Ranks #4 of 9 compared models
- 63th percentile on this benchmark
- C evidence result
Considerations
- This result measures HealthBench Professional, not total model capability
- 05OPGPT-5.6 TerraOpenAI
- Score
- 57.7%
- Price
- $2.0 input / $12 output per 1M tokens
- Speed
- Up to 35 tok/s via OpenAI
Strengths
- Ranks #5 of 9 compared models
- 50th percentile on this benchmark
- C evidence result
Considerations
- This result measures HealthBench Professional, not total model capability
Selection summary
Best AI Models for HealthBench Professional
Claude Fable 5 currently leads HealthBench Professional with 66.0%. It is the top model on this specific benchmark, while the best LLM for the broader task should also be checked against other benchmarks, price and runtime.
Use this leaderboard with the supporting benchmark results and coverage details above. A leaderboard position summarizes the selected ranking signal; it does not replace workload-specific testing.
What is HealthBench Professional?
What HealthBench Professional measures and how its scores work.
HealthBench Professional evaluates model capability and safety for clinician use cases using real clinician-style chats and physician-authored grading rubrics.
Scores are shown in ratio. This benchmark is not independently verified and has an evidence level of B.
- Family
- HealthBench Professional
- Modality
- text
- Primary category
- healthcare
- Score direction
- higher
- LLMBoard eligible
- Yes
- Evaluation key
- healthbench-professional|llm-stats-current
Benchmark scores retain their original unit. Overall score eligibility is shown separately.
FAQ
Common questions about HealthBench Professional.
Which model scores highest on HealthBench Professional?
Claude Fable 5 is currently ranked first with 66.0%.
What does HealthBench Professional measure?
HealthBench Professional evaluates model capability and safety for clinician use cases using real clinician-style chats and physician-authored grading rubrics.
Is a higher score better?
Yes. Higher values rank better for this benchmark.
How many models are compared?
9 model results are currently shown.
Does this benchmark affect the overall score?
Yes. This benchmark can contribute to the current LLMBoard capability score.