# Rolldown vs Rspack

| Attribute | Rolldown | Rspack |
|---|---|---|
| **Vioscale score** | 49.3 (23% (low)) | 54.5 (23% (low)) |
| activity.commits_last_30d | 100 | 100 |
| adoption.dependent_repos | 2 | 14 |
| adoption.github_stars | 13,911 | 12,872 |
| deployment.options | `{"cloud":true}` | `{"self_hosted":true}` |
| description.long | A JavaScript/TypeScript bundler combining Rollup-compatible APIs with esbuild feature parity, designed as the standard bundler for Vite. Free and open-source software built and maintained by a core team with community contributions. | 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. |
| integrations.count | 5 | 14 |
| integrations.list | `[{"name":"Rollup"},{"name":"Vite"},{"name":"esbuild"},{"name":"napi-rs"},{"name":"GitHub"}]` | `[{"name":"Rsbuild"},{"name":"Rslib"},{"name":"Rstest"},{"name":"Rslint"},{"name":"Docusaurus"},{"name":"Modern.js"},{"name":"Meteor"},{"name":"Next.js"},{"name":"Nuxt"},{"name":"Nx"},{"name":"React Native"},{"name":"Storybook"},{"name":"TanStack Router"},{"name":"TanStack Start"}]` |
| language.primary | Rust | Rust |
| license.spdx | MIT | MIT |
| market.availability | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | - |
| platform.support | `{"cli":true}` | `{"cli":true}` |
| pricing | `{"type":"open_source","plans":[{"free":true,"name":"Open Source","features":["Rust-based bundler","Rollup-compatible API","Esbuild feature parity","Built-in transforms and minification","Vite 8+ integration"],"description":"Full bundler with transforms, minification, and plugin support"}],"freeTier":true,"sourceUrl":"https://rolldown.rs","retrievedAt":"2026-08-20T16:36:15.492Z"}` | `{"type":"open_source","freeTier":true,"sourceUrl":"https://rspack.dev","retrievedAt":"2026-08-20T16:29:35.188Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | open_source | open_source |
| pricing.price_level | free | free |
| pricing.transparent | yes | - |
| release.cadence_days | 6 | 4 |
| release.history | `[{"url":"https://github.com/rolldown/rolldown/releases/tag/v1.2.6","date":"2026-08-26T12:05:05Z","type":"stable","version":"v1.2.6"},{"url":"https://github.com/rolldown/rolldown/releases/tag/v1.2.5","date":"2026-08-19T13:30:59Z","type":"stable","version":"v1.2.5"},{"url":"https://github.com/rolldown/rolldown/releases/tag/v1.2.4","date":"2026-08-12T10:33:48Z","type":"stable","version":"v1.2.4"},{"url":"https://github.com/rolldown/rolldown/releases/tag/v1.2.3","date":"2026-08-05T10:52:38Z","type":"stable","version":"v1.2.3"},{"url":"https://github.com/rolldown/rolldown/releases/tag/v1.2.2","date":"2026-08-03T09:50:37Z","type":"stable","version":"v1.2.2"},{"url":"https://github.com/rolldown/rolldown/releases/tag/v1.2.1","date":"2026-07-29T13:25:27Z","type":"stable","version":"v1.2.1"},{"url":"https://github.com/rolldown/rolldown/releases/tag/v1.2.0","date":"2026-07-15T11:08:44Z","type":"stable","version":"v1.2.0"},{"url":"https://github.com/rolldown/rolldown/releases/tag/v1.1.5","date":"2026-07-08T11:32:27Z","type":"stable","version":"v1.1.5"},{"url":"https://github.com/rolldown/rolldown/releases/tag/v1.1.4","date":"2026-07-01T14:02:02Z","type":"stable","version":"v1.1.4"},{"url":"https://github.com/rolldown/rolldown/releases/tag/v1.1.3","date":"2026-06-24T10:49:00Z","type":"stable","version":"v1.1.3"},{"url":"https://github.com/rolldown/rolldown/releases/tag/v1.1.2","date":"2026-06-18T13:33:10Z","type":"stable","version":"v1.1.2"},{"url":"https://github.com/rolldown/rolldown/releases/tag/v1.1.1","date":"2026-06-11T09:09:53Z","type":"stable","version":"v1.1.1"},{"url":"https://github.com/rolldown/rolldown/releases/tag/v1.1.0","date":"2026-06-03T14:06:51Z","type":"stable","version":"v1.1.0"},{"url":"https://github.com/rolldown/rolldown/releases/tag/v1.0.3","date":"2026-05-27T11:50:23Z","type":"stable","version":"v1.0.3"},{"url":"https://github.com/rolldown/rolldown/releases/tag/v1.0.2","date":"2026-05-20T08:49:43Z","type":"stable","version":"v1.0.2"},{"url":"https://github.com/rolldown/rolldown/releases/tag/v1.0.1","date":"2026-05-13T12:45:04Z","type":"stable","version":"v1.0.1"},{"url":"https://github.com/rolldown/rolldown/releases/tag/v1.0.0","date":"2026-05-07T09:10:49Z","type":"stable","version":"v1.0.0"},{"url":"https://github.com/rolldown/rolldown/releases/tag/v1.0.0-rc.18","date":"2026-04-29T13:44:23Z","type":"stable","version":"v1.0.0-rc.18"},{"url":"https://github.com/rolldown/rolldown/releases/tag/v1.0.0-rc.17","date":"2026-04-22T11:14:45Z","type":"stable","version":"v1.0.0-rc.17"},{"url":"https://github.com/rolldown/rolldown/releases/tag/v1.0.0-rc.16","date":"2026-04-16T09:05:43Z","type":"stable","version":"v1.0.0-rc.16"}]` | `[{"url":"https://github.com/web-infra-dev/rspack/releases/tag/v2.2.0","date":"2026-08-26T03:42:56Z","type":"stable","version":"v2.2.0"},{"url":"https://github.com/web-infra-dev/rspack/releases/tag/v2.2.0-rc.0","date":"2026-08-21T10:49:42Z","type":"prerelease","version":"v2.2.0-rc.0"},{"url":"https://github.com/web-infra-dev/rspack/releases/tag/v2.2.0-beta.1","date":"2026-08-18T10:15:58Z","type":"prerelease","version":"v2.2.0-beta.1"},{"url":"https://github.com/web-infra-dev/rspack/releases/tag/v2.1.10","date":"2026-08-13T10:32:13Z","type":"stable","version":"v2.1.10"},{"url":"https://github.com/web-infra-dev/rspack/releases/tag/v2.1.9","date":"2026-08-11T15:43:55Z","type":"stable","version":"v2.1.9"},{"url":"https://github.com/web-infra-dev/rspack/releases/tag/v2.1.8","date":"2026-08-04T11:09:32Z","type":"stable","version":"v2.1.8"},{"url":"https://github.com/web-infra-dev/rspack/releases/tag/v2.1.7","date":"2026-07-29T09:21:11Z","type":"stable","version":"v2.1.7"},{"url":"https://github.com/web-infra-dev/rspack/releases/tag/v2.1.6","date":"2026-07-28T09:04:39Z","type":"stable","version":"v2.1.6"},{"url":"https://github.com/web-infra-dev/rspack/releases/tag/v2.1.5","date":"2026-07-21T11:56:09Z","type":"stable","version":"v2.1.5"},{"url":"https://github.com/web-infra-dev/rspack/releases/tag/v2.1.4","date":"2026-07-14T14:10:08Z","type":"stable","version":"v2.1.4"},{"url":"https://github.com/web-infra-dev/rspack/releases/tag/v2.1.3","date":"2026-07-07T08:30:54Z","type":"stable","version":"v2.1.3"},{"url":"https://github.com/web-infra-dev/rspack/releases/tag/v2.1.2","date":"2026-06-30T08:25:25Z","type":"stable","version":"v2.1.2"},{"url":"https://github.com/web-infra-dev/rspack/releases/tag/v2.1.1","date":"2026-06-27T03:27:12Z","type":"stable","version":"v2.1.1"},{"url":"https://github.com/web-infra-dev/rspack/releases/tag/v2.1.0","date":"2026-06-26T08:59:18Z","type":"stable","version":"v2.1.0"},{"url":"https://github.com/web-infra-dev/rspack/releases/tag/v2.1.0-rc.0","date":"2026-06-23T11:13:16Z","type":"stable","version":"v2.1.0-rc.0"},{"url":"https://github.com/web-infra-dev/rspack/releases/tag/v2.1.0-beta.0","date":"2026-06-18T08:35:22Z","type":"stable","version":"v2.1.0-beta.0"},{"url":"https://github.com/web-infra-dev/rspack/releases/tag/v1.7.12","date":"2026-06-17T12:44:37Z","type":"stable","version":"v1.7.12"},{"url":"https://github.com/web-infra-dev/rspack/releases/tag/v2.0.8","date":"2026-06-10T16:03:28Z","type":"stable","version":"v2.0.8"},{"url":"https://github.com/web-infra-dev/rspack/releases/tag/v2.0.7","date":"2026-06-10T15:16:22Z","type":"stable","version":"v2.0.7"},{"url":"https://github.com/web-infra-dev/rspack/releases/tag/v2.0.6","date":"2026-06-02T09:48:56Z","type":"stable","version":"v2.0.6"}]` |
| security.vulnerabilities | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=rolldown&per_page=100","last_12m":0,"max_severity":null}` | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=%40rspack%2Fbinding-linux-arm64-gnu&per_page=100","last_12m":0,"max_severity":null}` |

## Capabilities (Bundlers)

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

*Source: Vioscale. Generated 2026-09-01T16:46:09.128Z. "-" = undocumented, not absent.*