Nature Medicine Clinical AI — MedQA Accuracy Leaderboard
Independent Nature Medicine evaluation on 500 MedQA questions comparing specialized clinical AI tools and frontier models; score is answer accuracy.
What this benchmark does—and does not—measure
This leaderboard preserves the benchmark's own metric, source and test date. Results are comparable only within the same benchmark definition and semantic class; missing data is never treated as a zero.
Method & source
- Unit
- %
- Results
- 1
- Latest test
- Jun 12, 2026
- Distinct source links
- 1
Nature Medicine Clinical AI — MedQA Accuracy rankings
Only the latest verified result for each listed entity is shown. Equal scores receive the same displayed rank.
| Rank | Model / Tool | Score | Tested | Evidence |
|---|---|---|---|---|
| #1 | OpenEvidence | 89.60% | Jun 12, 2026 | Nature Medicine |
What to keep in mind
A benchmark is one evidence signal, not a universal product verdict. Test conditions, benchmark versions, source methodology and date can all affect interpretation. Compare shared benchmarks and current product evidence before making a model or tool decision.
Why dates and sources are shown
AI Orbit retains the source and tested date for each verified result so readers can judge whether evidence is current enough for their use case. Older evidence is not silently presented as a new test.