OpenAI WebRTC for Voice

Updated 14 May 2026

How OpenAI delivers low-latency voice AI at scale

WebRTC standard.

WebSocket -> client/server, tcp WebRTC -> p2p, ump

They hired Justin Uberti (one of WebRTC’s original architects) and Sean DuBois (creator and maintainer of Pion)

Pion (golang) has issue of one port per session.

Prod systems, use one udp port and multiplex on application-level

Include metadata for sessions state