Guides

Build, customize, and deploy realtime visual agents — from a first avatar to production.

Build

Get a pre-built agent or generate one from a single portrait.

Render the agent in the user's browser via WebAssembly.

Deploy

Ship to production fast with the managed LiveKit plugin.

Run Expression on your own GPU with Docker.

Stream a live photoreal avatar from your own GPU — talk to it in real time with LiveKit + your own OpenAI key.

Drop a live agent into any page with an iframe + embed token.

Diagnose stuck creations, failed sessions, and billing surprises — symptom by symptom.

Drive bitHuman from any AI agent — Claude, Cursor — over Model Context Protocol.

How credits work, per-minute rates, and the free tier.