OpenAI has introduced an upgraded version of ChatGPT, GPT-5.5 Instant, which outperforms human doctors in healthcare-related tasks. This AI model has been reviewed by over 260 doctors from 60 countries and has seen a 71% drop in incorrect health statements. The model is now available to all free ChatGPT users, with usage limits. This development is significant as it suggests AI can provide accurate and reliable health information, potentially transforming the way people access healthcare. With over 230 million weekly users, ChatGPT is poised to become a major player in the healthcare sector.