Vidu S1
Real-time interactive AI avatars with low-latency streaming for live use
Introduction
Vidu S1 is a platform for building live digital humans that respond in real time, using a streaming video generation model. Teams can set up custom personas, voice control, and two-way perception of voice, text, and visual input. Media is carried over WebRTC, with control signaling over WebSockets. Billing is usage-based and starts once the avatar goes live.
- Added on
- Nov 2, 2026
- Website
- vidus1.ai
- Pricing model
- Contact for Pricing
- Company
- Vidu S1
Product information
What is Vidu S1?
Vidu S1 is an enterprise platform for real-time interactive AI avatars that can be embedded in products.
How to use Vidu S1?
Keep your access token on the backend, create a live session with an avatar image and persona from the server, then have the client join the WebRTC channel and keep signaling on WebSockets.
Core features of Vidu S1
- Real-time streaming video generation
- Voice-driven interaction
- Two-way perception of voice, text, and visuals
- Custom persona library
- WebRTC with WebSocket control
Use cases of Vidu S1
- 1AI companions with memory
- 2Virtual idols for live fan events
- 3Live commerce hosts
- 4Language practice and lecture explainers
- 5Service concierge with escalation
Frequently asked questions about Vidu S1
What is Vidu S1?+
Vidu S1 is a real-time interactive digital human platform with voice control and custom personas.
How is Vidu S1 billed?+
It uses usage-based billing based on live session length and interaction mode, starting when the avatar goes live.
Which avatar styles does Vidu S1 support?+
Human, anime, and pet or mascot personas, and you can upload your own reference assets.
Which category is Vidu S1 in?+
Vidu S1 is listed under AI Avatar Video.