Improving health intelligence in ChatGPT

OpenAI released GPT-5.5 Instant this week, enhancing ChatGPT's health and wellness information capabilities. This update introduces stronger reasoning, improved contextual understanding, and clearer communication for health-related queries. The system has undergone physician-informed evaluations to ensure accuracy and safety in its responses. GPT-5.5 Instant aims to provide users with more reliable and understandable health intelligence, building upon the foundational AI model. The improvements focus on delivering nuanced advice and information that reflects current medical understanding, while maintaining the conversational nature of ChatGPT. This iteration represents a significant step in making AI a more trusted resource for health-related inquiries.