OpenAI GPT-Live: full-duplex voice model
OpenAI's GPT-Live-1 and GPT-Live-1 mini are full-duplex voice models that can listen and speak at once, delegate to GPT-5.5, and ship as the new ChatGPT default from 2026-07-08.
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%).