Show HN: open source framework OpenAI uses for Advanced Voice

Hey HN, we've been working with OpenAI for the past few months on the new Realtime API.

The goal is to give everyone access to the same stack that underpins Advanced Voice in the ChatGPT app.

Under the hood it works like this: - A user's speech is captured by a LiveKit client SDK in the ChatGPT app - Their speech is streamed using WebRTC to OpenAI’s voice agent - The agent relays the speech prompt over websocket to GPT-4o - GPT-4o runs inference and streams speech packets (over websocket

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