full-duplex
OpenAI Rebuilt Voice So the Model Itself Decides When to Talk News
OpenAI's engineering posts on GPT-Live describe removing the separate turn detector from the audio path entirely and cutting session startup from six network round trips to one, treating a voice conversation as a live media system rather than a model feature.
NVIDIA's Open Full-Duplex Voice Model Wants an 80GB GPU News
NVIDIA released an 11-billion-parameter speech model that listens and speaks at the same time and calls tools mid-conversation, and its own documentation requires a GPU with at least 80 GB of memory and lists more than a dozen failure modes.
Full-Duplex Speech Models: Listening and Talking at the Same Time Lesson
A full-duplex speech model processes incoming audio while it is generating outgoing audio, which removes the turn detector that decides when you have stopped speaking and makes interruption, backchannels, and overlap possible.
NVIDIA NemotronLabs VoiceChat 11B Tool
An open-weight end-to-end full-duplex voice model that listens and speaks simultaneously and calls tools mid-conversation, shipped with both offline inference code and a containerised WebSocket streaming deployment. Needs an NVIDIA GPU with at least 80 GB of memory, and uses a single fixed voice.