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Microsoft Unveils AI Diagnostic Orchestrator That Beats Doctors and Reduces Costs

After achieving over 80 percent accuracy on benchmark cases against physicians, MAI-DxO now requires clinical trials to confirm its real-world performance

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Overview

  • MAI-DxO processes complex medical cases through a stepwise multi-agent orchestration system trained on 304 New England Journal of Medicine case studies.
  • In head-to-head benchmarking, the AI achieved more than 80 percent diagnostic accuracy on NEJM challenges compared with 20 percent by experienced physicians.
  • The system lowered diagnostic costs by about 20 percent by selecting fewer and less expensive tests and procedures.
  • Microsoft plans to conduct clinical studies to validate MAI-DxO’s effectiveness in everyday patient care before deciding on deployment or commercialization.
  • Mustafa Suleyman, CEO of Microsoft AI, says the orchestrated agent framework brings the industry closer to medical superintelligence.