Microsoft's MAI Diagnostic beats ER physicians 1.7x in accuracy, published in Science

DrXiaoLiu · x · 2026-10-23

Microsoft CEO Satya Nadella announced the team's diagnostic orchestrator research published in Science. Mustafa Suleyman shared the numbers: the MAI Diagnostic system is 1.7x more accurate than physicians in the emergency department—even when doctors can search the web—while costing less and ordering fewer tests. The system reasons through complex medical cases, marking a significant empirical result for AI outperforming clinicians in diagnosis.

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