Microsoft AI CEO Mustafa Suleyman says that the AI tool is one step closer to providing high-quality medical advice for Copilot and Bing users. Microsoft says its new AI tool performs four times better than experienced human doctors at diagnosing complex health conditions — but the company's AI CEO says human physicians are still needed to help treat the illnesses. However, Microsoft AI CEO Mustafa Suleyman says it could help Microsoft provide "high-quality" health advice in response to the 50 million health-related queries it receives every day through its Copilot AI assistant and Bing search engine. Microsoft AI CEO Mustafa Suleyman at a company event about Microsoft Copilot on April 4, 2025. Related: Microsoft AI CEO Says Almost All Content on the Internet Is Fair Game for AI TrainingMicrosoft is currently testing the AI tool in real clinical environments to see how it performs on the job before any broader rollout.