OpenAI's Karan Singhal Leads Healthcare AI Expansion

OpenAI is significantly expanding its focus on healthcare, with researcher Karan Singhal leading these initiatives. Singhal, a former Google researcher, aims to make ChatGPT more accurate and useful for health and wellness advice. More than 230 million people already use ChatGPT weekly for health-related questions. Singhal helped develop Med-PaLM at Google and now ensures OpenAI's GPT-5 family of models is trained with a stronger emphasis on health performance. He has also built a team of health researchers and partnered with over 200 physicians. This collaboration led to HealthBench, a framework for evaluating AI in health tasks. OpenAI's latest free model, GPT-5.5 Instant, has reportedly outperformed physician responses and GPT-4o in company evaluations. They also report a 71% reduction in flagged inaccurate health responses over two months. The company introduced a health-focused ChatGPT feature allowing users to connect health apps and upload medical records. This development could change how people access and understand health information.