How OpenAI is improving health intelligence in ChatGPT

Health is a core use case for ChatGPT, with over 230 million users weekly turning to it for medical understanding, insurance navigation, and care decisions.

The central tension is that language models can sound convincing while being wrong or missing critical context, which is dangerous in health. GPT‑5.

5 Instant attempts to close this gap by improving its recognition of urgent situations, its handling of uncertainty, and its ability to ask clarifying questions—all without requiring users to pay for a premium model.

Progress is measured by internal evaluations and by tracking real production traffic, where the rate of flagged factuality issues dropped by 71% in the last two months across billions of weekly messages.