OpenAI ships ChatGPT health; o3 re-solves 4.8% of rare
OpenAI's June 18, 2026 release: GPT-5.5 Instant rated higher than physicians on a 3,500-response panel; o3 Deep Research surfaces 18 of 376 unsolved rare-disease cases (4.8%).
OpenAI's June 18, 2026 release: GPT-5.5 Instant rated higher than physicians on a 3,500-response panel; o3 Deep Research surfaces 18 of 376 unsolved rare-disease cases (4.8%).