BREAKING 🔥: First tests of "Bidi 1", an upcoming bidirectional voice model from OpenAI. This upgrade will arrive in ChatGPT and, potentially, in Codex soon as well.
— 🚨 AI News | TestingCatalog (@testingcatalog) 23 juin 2026
> Bidi 1 can speak over while you are talking and keep listening.
> Bidi 1 can switch between tasks back and… https://t.co/BwWhCKx3G0 pic.twitter.com/Fawc74kBym
URGENT: Initial tests of 'Bidi 1,' OpenAI's upcoming bidirectional voice model. This upgrade will arrive in ChatGPT and potentially in Codex soon as well. > Bidi 1 can speak while you're speaking and continue listening.
> Bidi 1 can switch