Meet the top OpenAI researcher trying to make ChatGPT into a Google-sized healthcare juggernaut (www.businessinsider.com)

OpenAI is intensifying its focus on healthcare through its ChatGPT model, with researcher Karan Singhal spearheading efforts to enhance the AI's ability to provide accurate medical advice. According to OpenAI, over 230 million users seek health-related information from ChatGPT each week. Singhal aims to transform ChatGPT into a leading healthcare resource that not only improves patient outcomes but also gains the trust of skeptics in the medical community. Under his leadership, OpenAI has prioritized the development of the GPT-5 model family, which has been specifically tailored to deliver better health advice, resulting in significant improvements—such as a 71% reduction in flagged inaccuracies. To ensure the AI’s health-related capabilities are robust, Singhal has established partnerships with over 200 physicians and launched HealthBench, a new evaluation framework for assessing AI performance in healthcare. This systematic approach is designed to continuously refine the quality of health responses. OpenAI's recent version, GPT-5.5 Instant, reportedly outperformed both physician-written responses and the previous GPT-4o model in tests. As Singhal envisions a future where AI can offer personalized health insights akin to a doctor-patient relationship, he emphasizes the need for the AI to proactively seek information, ultimately aiming for widespread adoption in healthcare settings. This shift represents a significant leap in integrating AI technology into everyday medical practices.