Node types Reference codes Formula syntax Distributions Base rates Predictions Metaculus questions Running a simulation Reading results Troubleshooting forecasts

Organizations Sharing a project Working together Versions and restore

Working with the assistant Permission modes Approving map changes Connecting an MCP client

Getting started

What Radiant is, the words it uses, and how to build a map that produces a number.

Radiant is a collaborative forecasting workspace. You lay out the things that drive an outcome as a map, say what you believe about each one, and let the map compute the answer — with the uncertainty carried through rather than rounded away.

Three pages, in order:

Core concepts

The six words every other page assumes you know.

Build your first map

From an empty project to a number, in about ten minutes.

The map surface

Where everything lives once you are looking at a map.

Radiant documentation

Guides and reference for Radiant, the collaborative forecasting workspace.

Core concepts

What project, map, node, connection, forecast and run each mean.