Voice Lab

GPT Realtime

Talk to AI, naturally.

Start a live voice conversation powered by OpenAI's realtime model. Speak normally and hear the response as it happens.

Your credential stays in this browser.

1

Add your key

Use an OpenAI API key or a temporary Realtime token.

2

Allow microphone access

Your browser will ask the first time you connect.

3

Start talking

Speak naturally; audio and transcripts stream live.

Conversation

Live transcript

Let's get you connected

Add an OpenAI API key or temporary Realtime token to begin.

Saved only in this browser. For this local demo, a standard key is sent directly to OpenAI to create a short-lived Realtime client token. Do not use this pattern on a public website.