AI Briefing
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How OpenAI Delivers Low-Latency Voice AI to 900 Million Users

·2026.07.02 00:31

Key point

OpenAI leverages WebRTC technology to deliver a near-real-time, low-latency Voice AI experience to 900 million users.

Details

OpenAI has adopted WebRTC technology as its core infrastructure to provide a seamless voice experience even at a massive scale of 900 million users.

Existing HTTP-based communication had significant overhead and lacked real-time capability, limiting the implementation of natural conversational AI. To solve this, OpenAI introduced WebRTC to stream audio data in real time and minimize latency.

This architecture includes the following key elements.

  • Low-Latency Streaming: Transmits audio packets in real time to maintain the flow of conversation
  • Scalable Infrastructure: A scalable network structure to handle 900 million concurrent users
  • Real-time Interaction: Applies an ultra-low-latency communication protocol for natural interaction between users and AI

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