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Microsoft AI CEO Mustafa Suleyman announced that Microsoft has developed an AI-powered diagnostic tool that can diagnose conditions up to four times more accurately than human doctors, with findings published in Science on October 22, according to The Verge and TechCrunch. Suleyman told The Verge that healthcare AI is now "finally here" after years of industry promises about the technology's transformative potential. However, reporting indicates that most of the improvement appears to come from the underlying AI models rather than from Microsoft's system itself, a distinction that complicates the company's claims. The announcement represents a significant moment in the long-promised AI-healthcare integration, though independent analysis suggests Microsoft's contribution to the diagnostic accuracy may be more limited than presented. The publication in Science lends credibility to the research but also invites scrutiny of how much of the improvement genuinely comes from the proprietary system versus the foundational models it uses.