Researcher Karan Singhal drives OpenAI's goal to elevate ChatGPT's health advice, reaching millions of users weekly for wellness guidance.

Learn how GPT-5.5 Instant improves ChatGPT’s health and wellness responses with stronger reasoning, better context, clearer communication, and physician-informed evaluations.

Researcher Karan Singhal drives OpenAI's goal to elevate ChatGPT's health advice, reaching millions of users weekly for wellness guidance.