# Rollup vs Rspack

| Attribute | Rollup | Rspack |
|---|---|---|
| **Vioscale score** | 60.1 (28% (low)) | 54.5 (23% (low)) |
| activity.commits_last_30d | 25 | 100 |
| adoption.dependent_repos | 1,133,301 | 14 |
| adoption.github_stars | 26,306 | 12,872 |
| deployment.options | - | `{"self_hosted":true}` |
| description.long | 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 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 | 2 | 14 |
| integrations.list | `[{"name":"Vite"},{"name":"WMR"}]` | `[{"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 | JavaScript | Rust |
| license.spdx | - | MIT |
| platform.support | `{"cli":true,"web":true}` | `{"cli":true}` |
| pricing | `{"type":"open_source","sourceUrl":"https://rollupjs.org","retrievedAt":"2026-08-20T16:33:55.692Z"}` | `{"type":"open_source","freeTier":true,"sourceUrl":"https://rspack.dev","retrievedAt":"2026-08-20T16:29:35.188Z"}` |
| pricing.free_tier | - | yes |
| pricing.model | open_source | open_source |
| pricing.price_level | free | free |
| release.cadence_days | 6 | 4 |
| release.history | `[{"url":"https://github.com/rollup/rollup/releases/tag/v4.63.0","date":"2026-08-25T13:05:57Z","type":"stable","version":"v4.63.0"},{"url":"https://github.com/rollup/rollup/releases/tag/v4.62.5","date":"2026-08-20T17:03:22Z","type":"stable","version":"v4.62.5"},{"url":"https://github.com/rollup/rollup/releases/tag/v4.62.4","date":"2026-08-01T05:22:37Z","type":"stable","version":"v4.62.4"},{"url":"https://github.com/rollup/rollup/releases/tag/v4.62.3","date":"2026-07-26T15:00:28Z","type":"stable","version":"v4.62.3"},{"url":"https://github.com/rollup/rollup/releases/tag/v4.62.2","date":"2026-06-19T14:57:25Z","type":"stable","version":"v4.62.2"},{"url":"https://github.com/rollup/rollup/releases/tag/v4.62.1","date":"2026-06-19T12:43:26Z","type":"stable","version":"v4.62.1"},{"url":"https://github.com/rollup/rollup/releases/tag/v4.62.0","date":"2026-06-13T08:32:26Z","type":"stable","version":"v4.62.0"},{"url":"https://github.com/rollup/rollup/releases/tag/v4.61.1","date":"2026-06-04T05:23:44Z","type":"stable","version":"v4.61.1"},{"url":"https://github.com/rollup/rollup/releases/tag/v4.61.0","date":"2026-06-01T05:42:19Z","type":"stable","version":"v4.61.0"},{"url":"https://github.com/rollup/rollup/releases/tag/v4.60.4","date":"2026-05-14T17:54:35Z","type":"stable","version":"v4.60.4"},{"url":"https://github.com/rollup/rollup/releases/tag/v4.60.2","date":"2026-04-18T14:00:01Z","type":"stable","version":"v4.60.2"},{"url":"https://github.com/rollup/rollup/releases/tag/v4.60.1","date":"2026-03-30T04:34:16Z","type":"stable","version":"v4.60.1"},{"url":"https://github.com/rollup/rollup/releases/tag/v4.60.0","date":"2026-03-22T06:59:25Z","type":"stable","version":"v4.60.0"},{"url":"https://github.com/rollup/rollup/releases/tag/v4.59.1","date":"2026-03-21T06:47:40Z","type":"stable","version":"v4.59.1"},{"url":"https://github.com/rollup/rollup/releases/tag/v4.59.0","date":"2026-02-22T07:34:08Z","type":"stable","version":"v4.59.0"},{"url":"https://github.com/rollup/rollup/releases/tag/v3.30.0","date":"2026-02-22T06:51:12Z","type":"stable","version":"v3.30.0"},{"url":"https://github.com/rollup/rollup/releases/tag/v4.58.0","date":"2026-02-20T12:46:39Z","type":"stable","version":"v4.58.0"},{"url":"https://github.com/rollup/rollup/releases/tag/v4.57.1","date":"2026-01-30T08:15:09Z","type":"stable","version":"v4.57.1"},{"url":"https://github.com/rollup/rollup/releases/tag/v4.57.0","date":"2026-01-27T07:18:09Z","type":"stable","version":"v4.57.0"},{"url":"https://github.com/rollup/rollup/releases/tag/v4.56.0","date":"2026-01-22T05:39:35Z","type":"stable","version":"v4.56.0"}]` | `[{"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.scorecard | 5.3 | - |
| security.vulnerabilities | `{"count":2,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=rollup&per_page=100","last_12m":1,"max_severity":"HIGH"}` | `{"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 | Rollup | 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 2026-09-01T16:58:08.818Z. "-" = undocumented, not absent.*