Pricing

Two things are for sale. The plugin is a one-off purchase on Fab. The Brain is an optional companion app with a monthly subscription. Neither is on sale yet.

Ralpha plugin

Toolsets and skills for Unreal Engine 5.8’s built-in MCP

Coming soon to Fab

Personal

$99one-time

Fab’s Personal licence tier

Professional

$299one-time

Fab’s Professional licence tier

Both tiers get the same plugin:

  • Ralpha 1.3.1 for Unreal Engine 5.8 (tested on 5.8.3)
  • Win64, Mac (Apple silicon) and Linux
  • Geo toolset for Cesium for Unreal 2.x, solver toolset and six domain skills
  • 3,248 commands; 3,176 verified one by one in a fresh project
  • Full C++ and Python source
  • No content: you bring your own assets, MetaHumans and maps

Fab sets which licence tier you need. The listing link goes here when it is live.

Ralpha Brain

Optional companion app, downloaded separately from ralpha.io

Coming

First 30 days

Free

No card needed to start

After that

$19.99/ month

Starter price

The Brain runs on your own Claude subscription; no model is included. It is not published yet, and this page will say when it is.

What the plugin does, and what it does not, is on the product overview. Questions: support@ralpha.io