Harvard study: AI beat two doctors at emergency room diagnoses
OpenAI's o1 gave the exact or near diagnosis in 67% of ER cases at triage, versus 55% and 50% for two physicians, in a study published in Science.


The study
Researchers from Harvard Medical School and Beth Israel Deaconess Medical Center published a study in Science. They compared diagnoses from two internal medicine attending physicians with OpenAI's o1 and 4o models across 76 emergency room patients.
Results at initial triage
| Who | Exact or very close diagnosis |
|---|---|
| OpenAI o1 | 67% |
| Physician 1 | 55% |
| Physician 2 | 50% |
Caveats
- Only text-based inputs were tested, no images or exams.
- The authors stress an "urgent need for prospective trials to evaluate these technologies in real-world patient care settings."
AI is not replacing doctors yet, but it could become a strong assistant.

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