# Bazel vs Jenkins

| Attribute | Bazel | Jenkins |
|---|---|---|
| **Vioscale score** | 59.9 (42% (low)) | 55.1 (75% (high)) |
| activity.commits_last_30d | 100 | 81 |
| adoption.dependent_repos | 3 | 0 |
| adoption.github_stars | 25,762 | 26,498 |
| deployment.options | `{"self_hosted":true}` | `{"self_hosted":true}` |
| description.long | An open-source build and test system designed to efficiently compile and test projects written in multiple programming languages while supporting builds for different target platforms. It uses intelligent caching and parallel execution to speed up builds and scales to handle large codebases across multiple repositories. | A self-contained Java application that automates building, testing, and deployment workflows. Extensible through hundreds of community-maintained plugins and supports distributing work across multiple machines. |
| features.capabilities | `{"caching":true,"hosting":"self","marketplace":true,"matrix_builds":true,"self_hosted_runners":true}` | `{"hosting":"self","marketplace":true,"matrix_builds":true,"yaml_pipelines":true,"deploy_environments":true,"self_hosted_runners":true}` |
| integrations.count | - | 1 |
| integrations.list | - | `[{"name":"Subversion"}]` |
| language.primary | Java | Java |
| license.spdx | Apache-2.0 | MIT |
| market.availability | - | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"cli":true,"mac":true,"linux":true,"windows":true}` | `{"cli":true,"mac":true,"web":true,"linux":true,"windows":true}` |
| pricing | `{"type":"open_source","sourceUrl":"https://bazel.build/","retrievedAt":"2026-08-13T23:02:29.441Z"}` | `{"type":"open_source","freeTier":true,"sourceUrl":"https://www.jenkins.io","retrievedAt":"2026-08-14T12:14:47.389Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | commercial | commercial |
| pricing.price_level | free | free |
| pricing.transparent | yes | yes |
| release.cadence_days | 5 | 5 |
| release.history | `[{"url":"https://github.com/bazelbuild/bazel/releases/tag/8.8.0rc3","date":"2026-08-25T22:48:54Z","type":"prerelease","version":"8.8.0rc3"},{"url":"https://github.com/bazelbuild/bazel/releases/tag/8.8.0rc2","date":"2026-08-18T21:22:09Z","type":"prerelease","version":"8.8.0rc2"},{"url":"https://github.com/bazelbuild/bazel/releases/tag/8.8.0rc1","date":"2026-08-06T23:58:18Z","type":"prerelease","version":"8.8.0rc1"},{"url":"https://github.com/bazelbuild/bazel/releases/tag/9.2.0","date":"2026-07-13T20:39:01Z","type":"stable","version":"9.2.0"},{"url":"https://github.com/bazelbuild/bazel/releases/tag/9.2.0rc2","date":"2026-07-09T20:29:30Z","type":"prerelease","version":"9.2.0rc2"},{"url":"https://github.com/bazelbuild/bazel/releases/tag/9.2.0rc1","date":"2026-06-25T23:01:04Z","type":"prerelease","version":"9.2.0rc1"},{"url":"https://github.com/bazelbuild/bazel/releases/tag/9.1.1","date":"2026-06-03T21:14:12Z","type":"stable","version":"9.1.1"},{"url":"https://github.com/bazelbuild/bazel/releases/tag/9.1.1rc1","date":"2026-05-29T20:29:47Z","type":"prerelease","version":"9.1.1rc1"},{"url":"https://github.com/bazelbuild/bazel/releases/tag/8.7.0","date":"2026-05-07T16:47:07Z","type":"stable","version":"8.7.0"},{"url":"https://github.com/bazelbuild/bazel/releases/tag/8.7.0rc2","date":"2026-05-05T10:38:12Z","type":"prerelease","version":"8.7.0rc2"},{"url":"https://github.com/bazelbuild/bazel/releases/tag/8.7.0rc1","date":"2026-04-27T20:33:38Z","type":"prerelease","version":"8.7.0rc1"},{"url":"https://github.com/bazelbuild/bazel/releases/tag/9.1.0","date":"2026-04-20T20:15:57Z","type":"stable","version":"9.1.0"},{"url":"https://github.com/bazelbuild/bazel/releases/tag/9.1.0rc3","date":"2026-04-15T21:27:05Z","type":"prerelease","version":"9.1.0rc3"},{"url":"https://github.com/bazelbuild/bazel/releases/tag/9.1.0rc2","date":"2026-04-14T22:52:24Z","type":"prerelease","version":"9.1.0rc2"},{"url":"https://github.com/bazelbuild/bazel/releases/tag/9.1.0rc1","date":"2026-04-09T22:00:19Z","type":"prerelease","version":"9.1.0rc1"},{"url":"https://github.com/bazelbuild/bazel/releases/tag/9.0.2","date":"2026-04-09T23:33:00Z","type":"stable","version":"9.0.2"},{"url":"https://github.com/bazelbuild/bazel/releases/tag/9.0.2rc3","date":"2026-04-09T20:10:31Z","type":"prerelease","version":"9.0.2rc3"},{"url":"https://github.com/bazelbuild/bazel/releases/tag/9.0.2rc2","date":"2026-04-07T18:28:22Z","type":"prerelease","version":"9.0.2rc2"},{"url":"https://github.com/bazelbuild/bazel/releases/tag/9.0.2rc1","date":"2026-04-03T00:47:38Z","type":"prerelease","version":"9.0.2rc1"},{"url":"https://github.com/bazelbuild/bazel/releases/tag/9.0.1","date":"2026-03-10T18:39:13Z","type":"stable","version":"9.0.1"}]` | `[{"url":"https://github.com/jenkinsci/jenkins/releases/tag/jenkins-2.579","date":"2026-08-25T14:26:38Z","type":"stable","version":"jenkins-2.579"},{"url":"https://github.com/jenkinsci/jenkins/releases/tag/jenkins-2.578","date":"2026-08-18T12:31:36Z","type":"stable","version":"jenkins-2.578"},{"url":"https://github.com/jenkinsci/jenkins/releases/tag/jenkins-2.568.3-rc","date":"2026-08-19T13:27:45Z","type":"prerelease","version":"jenkins-2.568.3-rc"},{"url":"https://github.com/jenkinsci/jenkins/releases/tag/jenkins-2.577","date":"2026-08-11T11:06:25Z","type":"stable","version":"jenkins-2.577"},{"url":"https://github.com/jenkinsci/jenkins/releases/tag/jenkins-2.576","date":"2026-08-05T13:46:41Z","type":"stable","version":"jenkins-2.576"},{"url":"https://github.com/jenkinsci/jenkins/releases/tag/jenkins-2.568.2","date":"2026-08-05T13:46:42Z","type":"stable","version":"jenkins-2.568.2"},{"url":"https://github.com/jenkinsci/jenkins/releases/tag/jenkins-2.575","date":"2026-07-28T10:36:25Z","type":"stable","version":"jenkins-2.575"},{"url":"https://github.com/jenkinsci/jenkins/releases/tag/jenkins-2.574","date":"2026-07-21T10:53:52Z","type":"stable","version":"jenkins-2.574"},{"url":"https://github.com/jenkinsci/jenkins/releases/tag/jenkins-2.568.2-rc","date":"2026-07-22T14:02:09Z","type":"prerelease","version":"jenkins-2.568.2-rc"},{"url":"https://github.com/jenkinsci/jenkins/releases/tag/jenkins-2.573","date":"2026-07-14T10:39:15Z","type":"stable","version":"jenkins-2.573"},{"url":"https://github.com/jenkinsci/jenkins/releases/tag/jenkins-2.568.1","date":"2026-07-09T18:05:28Z","type":"stable","version":"jenkins-2.568.1"},{"url":"https://github.com/jenkinsci/jenkins/releases/tag/jenkins-2.572","date":"2026-07-07T10:07:39Z","type":"stable","version":"jenkins-2.572"},{"url":"https://github.com/jenkinsci/jenkins/releases/tag/jenkins-2.571","date":"2026-07-01T07:28:39Z","type":"stable","version":"jenkins-2.571"},{"url":"https://github.com/jenkinsci/jenkins/releases/tag/jenkins-2.568.1-rc","date":"2026-06-25T02:05:20Z","type":"prerelease","version":"jenkins-2.568.1-rc"},{"url":"https://github.com/jenkinsci/jenkins/releases/tag/jenkins-2.570","date":"2026-06-23T10:05:49Z","type":"stable","version":"jenkins-2.570"},{"url":"https://github.com/jenkinsci/jenkins/releases/tag/jenkins-2.569","date":"2026-06-16T13:08:40Z","type":"stable","version":"jenkins-2.569"},{"url":"https://github.com/jenkinsci/jenkins/releases/tag/jenkins-2.568","date":"2026-06-10T12:52:30Z","type":"stable","version":"jenkins-2.568"},{"url":"https://github.com/jenkinsci/jenkins/releases/tag/jenkins-2.555.3","date":"2026-06-10T12:52:28Z","type":"stable","version":"jenkins-2.555.3"},{"url":"https://github.com/jenkinsci/jenkins/releases/tag/jenkins-2.567","date":"2026-06-09T14:56:14Z","type":"stable","version":"jenkins-2.567"},{"url":"https://github.com/jenkinsci/jenkins/releases/tag/jenkins-2.555.3-rc-2","date":"2026-05-29T12:09:33Z","type":"prerelease","version":"jenkins-2.555.3-rc-2"}]` |
| reliability.status_page | - | yes |
| security.disclosure_policy | - | yes |
| security.scorecard | 6.1 | 5.5 |
| security.soc2 | - | yes |
| security.vulnerabilities | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=conda&package_name=bazel&per_page=100","last_12m":0,"max_severity":null}` | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=helm&package_name=jenkins-x%2Fjenkins&per_page=100","last_12m":0,"max_severity":null}` |

## Capabilities (CI/CD Tools)

| Capability | Bazel | Jenkins |
|---|:--:|:--:|
| **Deployment** |  |  |
| Hosting | Self-hosted only | Self-hosted only |
| Self-hosted runners | ✓ | ✓ |
| **Core** |  |  |
| Config-as-code pipelines | - | ✓ |
| Matrix / parallel builds | ✓ | ✓ |
| **Build** |  |  |
| Container-native builds | - | - |
| **Performance** |  |  |
| Build caching | ✓ | - |
| **Security** |  |  |
| Secrets management | - | - |
| **Delivery** |  |  |
| Deployment environments & approvals | - | ✓ |
| **Ecosystem** |  |  |
| Reusable actions / marketplace | ✓ | ✓ |

*Source: Vioscale. Generated 2026-09-01T17:39:10.866Z. "-" = undocumented, not absent.*