Chromatic vs Fractal
No leader: the top candidate Chromatic has only 0.07 confidence (low), below the 0.35 needed to declare a winner. The attribute-by-attribute breakdown below, with a source and date on every value, is the honest way to compare them.
Capabilities
Feature-by-feature on the axes that matter for design systems. “-” means undocumented, not absent.
What each one is
The product in its own terms, so the numbers below have context.
Chromatic
Not documented yet.
Fractal
Fractal enables developers to create website component libraries and integrate them into production applications through custom commands, build tool integration, and programmatic APIs.
Chromatic or Fractal: which one depends on you
A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.
Free to run, no account needed to start. How the evaluation works
Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.