Microsoft has revealed details of an artificial intelligence system that performs better than human doctors at complex health diagnoses. The company’s developed a system that imitates a panel of expert physicians tackling “diagnostically complex and intellectually demanding” cases.
Microsoft team transformed more than 300 of these studies into “interactive case challenges” that it used to test its approach. Microsoft then used a bespoke, agent-like AI system called a “diagnostic orchestrator” to work with a given model on what tests to order and what the diagnosis might be. The orchestrator in effect imitates a panel of physicians, which then comes up with the diagnosis.
Microsoft said that when paired with OpenAI’s advanced o3 AI model, its approach “solved” more than eight of 10 case studies specially chosen for the diagnostic challenge. When those case studies were tried on practising physicians – who had no access to colleagues, textbooks or chatbots – the accuracy rate was two out of 10.
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