Rollup vs Rspack
No leader: the top candidate Rollup has only 0.28 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 bundlers. “-” means undocumented, not absent.
What each one is
The product in its own terms, so the numbers below have context.
Rollup
A module bundler that combines JavaScript files and compiles them using ES module format, supporting output to multiple formats (ES modules, CommonJS, UMD, SystemJS) and optimizing code size through tree-shaking to run efficiently in various environments including browsers and Node.js.
Rspack
Rspack is a bundler designed for web applications that replaces webpack with faster build speeds and incremental compilation. It maintains webpack API compatibility while delivering performance improvements for local development and production builds.
Pricing
List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.
Platform & deployment
Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.
Integrations
What each product connects to. Counts come from the vendor's own integration directory where one exists.
Rollup
- Vite
- WMR
Rspack
- Rsbuild
- Rslib
- Rstest
- Rslint
- Docusaurus
- Modern.js
- Meteor
- Next.js
- Nuxt
- Nx
- React Native
- Storybook
- TanStack Router
- TanStack Start
Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.