# Rolldown vs tsup

**Leader by vioscaleAI score:** Rolldown

| Attribute | Rolldown | tsup |
|---|---|---|
| **vioscaleAI score** | 52 (62% (medium)) | 46.1 (65% (medium)) |
| activity.commits_last_30d | 100 | 0 |
| adoption.dependent_repos | 2 | 9,462 |
| adoption.github_stars | 13,969 | 11,299 |
| content.faq | `[{"answer":"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. It is indexed under Bundlers.","source":"https://rolldown.rs","question":"What is Rolldown?","confidence":0.6},{"answer":"Rolldown is open source, so it can be self-hosted and used at no licence cost. It is released under the MIT licence. Pricing changes often, so verify at source before relying on it.","source":"https://rolldown.rs","question":"Is Rolldown free to use?","confidence":0.6},{"answer":"Rolldown supports a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://rolldown.rs","question":"What platforms does Rolldown support?","confidence":0.6},{"answer":"We have only confirmed a cloud / SaaS deployment for Rolldown, so it appears to be vendor-hosted. If a self-hosted option exists we have not found it documented publicly.","source":"https://rolldown.rs","question":"Can Rolldown be self-hosted?","confidence":0.6},{"answer":"We have confirmed 5 integrations for Rolldown, including Rollup, Vite, esbuild, napi-rs and GitHub. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://rolldown.rs","question":"What does Rolldown integrate with?","confidence":0.6},{"answer":"Yes. Rolldown is published under the MIT licence, a permissive licence that generally allows commercial use and modification. Licence terms can change between releases, so verify against the repository for the version you intend to use.","source":"https://github.com/rolldown/rolldown","question":"Is Rolldown open source?","confidence":0.95}]` | `[{"answer":"A tool that bundles TypeScript libraries with automatic configuration, supporting Node.js native features and experimental CSS support. It is indexed under Bundlers.","source":"https://tsup.egoist.dev","question":"What is tsup?","confidence":0.6},{"answer":"tsup supports a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://tsup.egoist.dev","question":"What platforms does tsup support?","confidence":0.6},{"answer":"Yes. tsup is published under the MIT licence, a permissive licence that generally allows commercial use and modification. Licence terms can change between releases, so verify against the repository for the version you intend to use.","source":"https://github.com/egoist/tsup","question":"Is tsup open source?","confidence":0.95}]` |
| deployment.options | `{"cloud":true}` | - |
| description.long | A fast bundler for JavaScript/TypeScript projects written in Rust that provides Rollup-compatible APIs and plugin interfaces, designed with scope and capabilities similar to esbuild. | A tool that bundles TypeScript libraries with automatic configuration, supporting Node.js native features and experimental CSS support. |
| integrations.count | 5 | - |
| integrations.list | `[{"name":"Rollup"},{"name":"Vite"},{"name":"esbuild"},{"name":"napi-rs"},{"name":"GitHub"}]` | - |
| language.primary | Rust | TypeScript |
| 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"}` | - |
| pricing.free_tier | yes | - |
| pricing.model | open_source | - |
| pricing.price_level | free | - |
| pricing.transparent | yes | - |
| release.cadence_days | 6 | 8 |
| release.history | `[{"url":"https://github.com/rolldown/rolldown/releases/tag/v1.2.14","date":"2026-10-14T10:48:46Z","type":"stable","version":"v1.2.14"},{"url":"https://github.com/rolldown/rolldown/releases/tag/v1.2.13","date":"2026-10-07T14:23:17Z","type":"stable","version":"v1.2.13"},{"url":"https://github.com/rolldown/rolldown/releases/tag/v1.2.12","date":"2026-09-30T14:45:29Z","type":"stable","version":"v1.2.12"},{"url":"https://github.com/rolldown/rolldown/releases/tag/v1.2.11","date":"2026-09-24T14:32:08Z","type":"stable","version":"v1.2.11"},{"url":"https://github.com/rolldown/rolldown/releases/tag/v1.2.10","date":"2026-09-23T13:43:46Z","type":"stable","version":"v1.2.10"},{"url":"https://github.com/rolldown/rolldown/releases/tag/v1.2.9","date":"2026-09-16T13:34:53Z","type":"stable","version":"v1.2.9"},{"url":"https://github.com/rolldown/rolldown/releases/tag/v1.2.8","date":"2026-09-09T09:45:00Z","type":"stable","version":"v1.2.8"},{"url":"https://github.com/rolldown/rolldown/releases/tag/v1.2.7","date":"2026-09-02T13:30:58Z","type":"stable","version":"v1.2.7"},{"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/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=rolldown&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 | Rolldown | 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: vioscaleAI. Generated 2026-10-16T19:15:39.839Z. "-" = undocumented, not absent.*