# Realtime Beta Overview

> For the complete documentation index, see [llms.txt](/llms.txt). Markdown versions of documentation pages are available by appending `.md` to the page URL.

Communicate with a multimodal model in real time over low latency interfaces like WebRTC, WebSocket, and SIP. Natively supports speech-to-speech as well as text, image, and audio inputs and outputs.
[Learn more about the Realtime API](https://developers.openai.com/docs/guides/realtime).