●Turn-based
●Wait to finish speaking
●Stilted interruptions
●Full-duplex
●Listens and speaks at once
●Natural interruptions
●Go, Plus, Pro users
●Backed by GPT-5.5
●API planned
●Free users
●iOS, Android, web
●Global rollout
OpenAI has unveiled GPT-Live, a full-duplex voice model that talks and listens at the same time.