Comparison

Rollup vs Rspack

No clear leader: Rollup (65.1) and Rspack (63.8) are within the 5-point margin; treat as a tie. The attribute-by-attribute breakdown below, with a source and date on every value, is the honest way to compare them.

Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.
Rollup65
Rspack64
Score
vioscaleAI score
Rollup65 / 100high · 76%
Rspack64 / 100medium · 65%
Pricing
Free tier
Rollup–
Rspack✓
Model
Price level
Rollupfree
Rspackfree
Integrations
Count
Rollup2
Rspack17
Adoption
Dependent repos
Rollup1,133,301
Rspack18
Github stars
Rollup26,299
Rspack12,939
Activity
Commits last 30d
Rollup53
Rspack100
Release
Cadence days
Rollup4
Rspack5
History
Rollup20 items
Rspack20 items
License
Spdx
Rollup–
RspackMIT
Language
Primary
RspackRust
Content
Faq
Rollup3 items
Rspack6 items

Capabilities

Feature-by-feature on the axes that matter for bundlers. “-” means undocumented, not absent.

Capabilities
Dev server hmr
Rollup-
Rspack✓
Native esm dev
Rollup-
Rspack-
Code splitting
Rollup-
Rspack✓
Tree shaking
Rollup✓
Rspack✓
Css bundling
Rollup-
Rspack✓
Zero config
Rollup-
Rspack-
Webpack plugin compat
Rollup-
Rspack✓
Rollup plugin compat
Rollup-
Rspack-
Monorepo aware
Rollup-
Rspack-
Source maps
Rollup-
Rspack✓

What each one is

The product in its own terms, so the numbers below have context.

Rollup

Rollup is a module bundler that compiles JavaScript code written as ES modules into various output formats for compatibility with different environments. It performs static analysis to eliminate unused code and can target modern browsers with native ES module support or legacy environments requiring CommonJS or UMD output.

Independently observed

Rspack

Rspack is a Rust-powered bundler designed as a drop-in replacement for webpack. It combines Rust's performance with JavaScript tools through parallel architecture to provide faster builds and superior developer experience with HMR.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

Rollup

Open source
as of verify ↗

Rspack

Open source
as of verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platforms
Web
Rollup✗
Rspack✓
CLI
Rollup✓
Rspack✓
Deployment
Self-hosted
Rollup–
Rspack✓

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

Rollup

2 total
  • Vite
  • WMR
Independently observed

Rspack

18 total
  • Rsbuild
  • Rslib
  • Rstest
  • Rslint
  • Docusaurus
  • Modern.js
  • Meteor
  • Next.js
  • Nuxt
  • Nx
  • React Native
  • Storybook
  • TanStack Router
  • TanStack Start
  • Rsdoctor
  • Angular Rspack
  • Extension.js
  • Re.Pack
Independently observed
Still deciding?

Rollup or Rspack: 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.