# OpenAI Reveals Infrastructure Behind Real-Time Voice AI

OpenAI has published technical details about how it rebuilt its WebRTC infrastructure to power low-latency voice conversations at global scale.

The AI company announced via Twitter that it completely overhauled its WebRTC stack—the technology that enables real-time audio and video communication over the internet. This rebuild was necessary to support the conversational AI features that allow users to speak naturally with ChatGPT and receive immediate responses.

The key improvements focus on three areas: reducing latency so conversations feel natural without awkward delays, scaling the system to handle millions of users worldwide, and enabling seamless turn-taking where the AI knows when to listen and when to speak.

**Why It Matters**

Voice AI has struggled with the "walkie-talkie problem"—clunky back-and-forth exchanges that don't feel like real conversations. By rebuilding its infrastructure from