Comparison

esbuild vs Rspack

On the evidence we track, Rspack leads this comparison with a composite score of 64/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.
esbuild54
★Rspack64
Score
vioscaleAI score
esbuild54 / 100medium · 66%
Rspack64 / 100medium · 65%
Pricing
Free tier
esbuild–
Rspack✓
Model
esbuild–
Price level
esbuild–
Rspackfree
Integrations
Count
esbuild–
Rspack17
Adoption
Dependent repos
esbuild491,246
Rspack18
Github stars
esbuild40,078
Rspack12,939
Activity
Commits last 30d
esbuild0
Rspack100
Release
Cadence days
esbuild21
Rspack5
History
esbuild20 items
Rspack20 items
License
Spdx
esbuildMIT
RspackMIT
Language
Primary
esbuildGo
RspackRust
Content
Faq
esbuild3 items
Rspack6 items

Capabilities

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

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

What each one is

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

esbuild

A fast bundler that combines JavaScript and other web assets into optimized output, with built-in TypeScript support and APIs accessible through command-line, JavaScript, and Go interfaces.

Independently observed

Rspack

Leader

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.

esbuild

Pricing not documented yet.

Rspack

Leader
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
esbuild✗
Rspack✓
CLI
esbuild✓
Rspack✓
Deployment
Self-hosted
esbuild–
Rspack✓

Integrations

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

esbuild

Not documented yet.

Rspack

Leader
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?

esbuild 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.