OpenAI has upgraded ChatGPT's healthcare capabilities with GPT-5.5 Instant. In the company's own comparative tests, the model now outscores answers written by doctors in accuracy, clarity, and completeness. The error rate for health-related statements has dropped by 71 percent, according to OpenAI.

Chatbots have already wormed their way into the U.S. health-care system.

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