Comparison

esbuild vs Rspack

No leader: the top candidate esbuild has only 0.21 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.

Machine formatsJSONMarkdownGraphQLor send Accept: application/json
esbuild70
Rspack55
Score
Vioscale score
esbuild70 / 100low · 21%
Rspack55 / 100low · 23%
Pricing
Free tier
esbuild
Rspack
Model
esbuild
Price level
esbuild
Rspackfree
Integrations
Count
esbuild
Rspack14
Adoption
Dependent repos
esbuild491,246
Rspack14
Github stars
esbuild40,018
Rspack12,872
Activity
Commits last 30d
esbuild34
Rspack100
Release
Cadence days
esbuild21
Rspack4
History
esbuild20 items
Rspack20 items
License
Spdx
esbuildMIT
RspackMIT
Language
Primary
esbuildGo
RspackRust

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

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.

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

Open sourceFree tier
as of verify ↗

Platform & deployment

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

Platforms
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

14 total
  • Rsbuild
  • Rslib
  • Rstest
  • Rslint
  • Docusaurus
  • Modern.js
  • Meteor
  • Next.js
  • Nuxt
  • Nx
  • React Native
  • Storybook
  • TanStack Router
  • TanStack Start
Independently observed

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.