# Rspack vs tsup

| Attribute | Rspack | tsup |
|---|---|---|
| **Vioscale score** | 54.5 (23% (low)) | 45.5 (21% (low)) |
| activity.commits_last_30d | 100 | 0 |
| adoption.dependent_repos | 14 | 9,462 |
| adoption.github_stars | 12,872 | 11,291 |
| deployment.options | `{"self_hosted":true}` | - |
| description.long | 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. | A tool that bundles TypeScript libraries with automatic configuration, supporting Node.js native features and experimental CSS support. |
| integrations.count | 14 | - |
| integrations.list | `[{"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 | TypeScript |
| license.spdx | MIT | MIT |
| platform.support | `{"cli":true}` | `{"cli":true}` |
| pricing | `{"type":"open_source","freeTier":true,"sourceUrl":"https://rspack.dev","retrievedAt":"2026-08-20T16:29:35.188Z"}` | - |
| pricing.free_tier | yes | - |
| pricing.model | open_source | - |
| pricing.price_level | free | - |
| release.cadence_days | 4 | 8 |
| release.history | `[{"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"}]` | `[{"url":"https://github.com/egoist/tsup/releases/tag/v8.5.1","date":"2025-11-12T21:21:34Z","type":"stable","version":"v8.5.1"},{"url":"https://github.com/egoist/tsup/releases/tag/v8.5.0","date":"2025-05-16T13:41:31Z","type":"stable","version":"v8.5.0"},{"url":"https://github.com/egoist/tsup/releases/tag/v8.4.0","date":"2025-02-25T18:00:51Z","type":"stable","version":"v8.4.0"},{"url":"https://github.com/egoist/tsup/releases/tag/v8.3.6","date":"2025-01-25T17:39:12Z","type":"stable","version":"v8.3.6"},{"url":"https://github.com/egoist/tsup/releases/tag/v8.3.5","date":"2024-10-26T05:03:27Z","type":"stable","version":"v8.3.5"},{"url":"https://github.com/egoist/tsup/releases/tag/v8.3.4","date":"2024-10-25T04:59:45Z","type":"stable","version":"v8.3.4"},{"url":"https://github.com/egoist/tsup/releases/tag/v8.3.3","date":"2024-10-25T04:55:17Z","type":"stable","version":"v8.3.3"},{"url":"https://github.com/egoist/tsup/releases/tag/v8.3.1","date":"2024-10-25T02:38:37Z","type":"stable","version":"v8.3.1"},{"url":"https://github.com/egoist/tsup/releases/tag/v8.3.0","date":"2024-09-17T04:02:44Z","type":"stable","version":"v8.3.0"},{"url":"https://github.com/egoist/tsup/releases/tag/v8.2.4","date":"2024-08-02T07:29:46Z","type":"stable","version":"v8.2.4"},{"url":"https://github.com/egoist/tsup/releases/tag/v8.2.3","date":"2024-07-24T16:20:44Z","type":"stable","version":"v8.2.3"},{"url":"https://github.com/egoist/tsup/releases/tag/v8.2.2","date":"2024-07-22T08:38:34Z","type":"stable","version":"v8.2.2"},{"url":"https://github.com/egoist/tsup/releases/tag/v8.2.1","date":"2024-07-20T18:34:39Z","type":"stable","version":"v8.2.1"},{"url":"https://github.com/egoist/tsup/releases/tag/v8.2.0","date":"2024-07-19T09:04:19Z","type":"stable","version":"v8.2.0"},{"url":"https://github.com/egoist/tsup/releases/tag/v8.1.2","date":"2024-07-17T15:20:07Z","type":"stable","version":"v8.1.2"},{"url":"https://github.com/egoist/tsup/releases/tag/v8.1.1","date":"2024-07-16T22:07:28Z","type":"stable","version":"v8.1.1"},{"url":"https://github.com/egoist/tsup/releases/tag/v8.1.0","date":"2024-06-03T02:37:16Z","type":"stable","version":"v8.1.0"},{"url":"https://github.com/egoist/tsup/releases/tag/v8.0.2","date":"2024-02-10T07:03:12Z","type":"stable","version":"v8.0.2"},{"url":"https://github.com/egoist/tsup/releases/tag/v8.0.1","date":"2023-11-21T06:41:55Z","type":"stable","version":"v8.0.1"},{"url":"https://github.com/egoist/tsup/releases/tag/v8.0.0","date":"2023-11-19T10:10:29Z","type":"stable","version":"v8.0.0"}]` |
| security.scorecard | - | 3.5 |
| security.vulnerabilities | `{"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}` | `{"count":1,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=tsup&per_page=100","last_12m":0,"max_severity":"LOW"}` |

## Capabilities (Bundlers)

| Capability | Rspack | tsup |
|---|:--:|:--:|
| **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 2026-09-01T16:57:08.307Z. "-" = undocumented, not absent.*