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A lone figure walking down a misty avenue of tall trees
Reactor makes it easy to build applications with real-time world models. In just a few lines of code, you connect to a model, receive live video, and send commands to steer what it generates while it runs, enabling entirely new types of applications that were not possible before.
<1sRound-trip latency
ZeroInfrastructure to manage
1,000sof GPUs, on demand
Connect to Reactor’s SDK and immediately start steering real-time video:
Or scaffold a complete, runnable app — SDK installed and secure auth already wired up — in one command:

Start building

Quickstart

Stream real-time AI video into your app in a few minutes.

Using the SDK

Connect and steer models from JavaScript, React, or Python.

Explore the models

See what Helios and LingBot generate, and the commands that drive them.
Reactor is in beta. SDKs, APIs, and models are evolving, and breaking changes can land between releases. Pin your SDK versions, and let us know what you build. Your feedback in Discord shapes what ships next.