AI BriefingHow OpenAI delivers large-scale, low-latency voice AI
·2026.05.05 08:06
Key point
OpenAI redesigned its WebRTC architecture to achieve large-scale, low-latency voice AI.
Details
To deliver natural voice conversations to over 900 million weekly active users, OpenAI redesigned its internal packet routing with a relay + transceiver structure while keeping standard WebRTC behavior intact.
This approach focuses on securing a low-latency path suited for large-scale voice services without breaking interoperability.
- It leverages WebRTC's connection establishment process, including ICE.
- It maintains standard mechanisms such as DTLS/SRTP, codec negotiation, and RTCP quality control.
- It changes the internal delivery structure to provide natural voice conversations at scale.
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