# Rollup vs tsup

**Leader by vioscaleAI score:** Rollup

| Attribute | Rollup | tsup |
|---|---|---|
| **vioscaleAI score** | 65.1 (76% (high)) | 46.1 (65% (medium)) |
| activity.commits_last_30d | 53 | 0 |
| adoption.dependent_repos | 1,133,301 | 9,462 |
| adoption.github_stars | 26,299 | 11,299 |
| content.faq | `[{"answer":"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. It is indexed under Bundlers.","source":"https://rollupjs.org","question":"What is Rollup?","confidence":0.6},{"answer":"Rollup is open source, so it can be self-hosted and used at no licence cost. Pricing changes often, so verify at source before relying on it.","source":"https://rollupjs.org","question":"Is Rollup free to use?","confidence":0.6},{"answer":"Rollup supports the web and a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://rollupjs.org","question":"What platforms does Rollup support?","confidence":0.6}]` | `[{"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}]` |
| description.long | Rollup is a module bundler that compiles JavaScript code written as ES modules into various output formats for compatibility with different environments. It performs static analysis to eliminate unused code and can target modern browsers with native ES module support or legacy environments requiring CommonJS or UMD output. | A tool that bundles TypeScript libraries with automatic configuration, supporting Node.js native features and experimental CSS support. |
| features.capabilities | `{"open_source":true,"tree_shaking":true}` | - |
| integrations.count | 2 | - |
| integrations.list | `[{"name":"Vite"},{"name":"WMR"}]` | - |
| language.primary | JavaScript | TypeScript |
| license.spdx | - | MIT |
| platform.support | `{"cli":true}` | `{"cli":true}` |
| pricing | `{"type":"open_source","sourceUrl":"https://rollupjs.org","retrievedAt":"2026-08-20T16:33:55.692Z"}` | - |
| pricing.model | open_source | - |
| pricing.price_level | free | - |
| release.cadence_days | 4 | 8 |
| release.history | `[{"url":"https://github.com/rollup/rollup/releases/tag/v4.64.6","date":"2026-10-13T09:04:50Z","type":"stable","version":"v4.64.6"},{"url":"https://github.com/rollup/rollup/releases/tag/v4.64.5","date":"2026-10-10T13:05:03Z","type":"stable","version":"v4.64.5"},{"url":"https://github.com/rollup/rollup/releases/tag/v4.64.4","date":"2026-10-10T06:08:53Z","type":"stable","version":"v4.64.4"},{"url":"https://github.com/rollup/rollup/releases/tag/v4.64.3","date":"2026-10-08T18:11:54Z","type":"stable","version":"v4.64.3"},{"url":"https://github.com/rollup/rollup/releases/tag/v4.64.2","date":"2026-10-07T17:41:17Z","type":"stable","version":"v4.64.2"},{"url":"https://github.com/rollup/rollup/releases/tag/v4.64.1","date":"2026-10-07T05:43:11Z","type":"stable","version":"v4.64.1"},{"url":"https://github.com/rollup/rollup/releases/tag/v4.64.0","date":"2026-10-02T15:41:02Z","type":"stable","version":"v4.64.0"},{"url":"https://github.com/rollup/rollup/releases/tag/v4.63.6","date":"2026-10-01T06:53:07Z","type":"stable","version":"v4.63.6"},{"url":"https://github.com/rollup/rollup/releases/tag/v4.63.5","date":"2026-09-24T10:09:48Z","type":"stable","version":"v4.63.5"},{"url":"https://github.com/rollup/rollup/releases/tag/v4.63.4","date":"2026-09-19T06:38:02Z","type":"stable","version":"v4.63.4"},{"url":"https://github.com/rollup/rollup/releases/tag/v4.63.3","date":"2026-09-14T12:47:02Z","type":"stable","version":"v4.63.3"},{"url":"https://github.com/rollup/rollup/releases/tag/v4.63.2","date":"2026-09-12T06:39:14Z","type":"stable","version":"v4.63.2"},{"url":"https://github.com/rollup/rollup/releases/tag/v4.63.1","date":"2026-08-28T06:01:35Z","type":"stable","version":"v4.63.1"},{"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/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 | 6.5 | 3.5 |
| 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":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 | Rollup | 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 2026-10-16T20:58:24.132Z. "-" = undocumented, not absent.*