# Concourse CI vs Semaphore

**Leader by Vioscale score:** Semaphore

| Attribute | Concourse CI | Semaphore |
|---|---|---|
| **Vioscale score** | 53 (38% (low)) | 68.4 (71% (medium)) |
| activity.commits_last_30d | 47 | - |
| adoption.dependent_repos | 22 | - |
| adoption.github_stars | 7,893 | - |
| deployment.options | `{"self_hosted":true}` | `{"cloud":true,"self_hosted":true}` |
| description.long | - | An all-in-one continuous integration and delivery system that enables teams to automate testing and deployment workflows. It supports containerized and cloud-native architectures and can be deployed as a managed cloud service or self-hosted. |
| features.capabilities | `{"hosting":"self","yaml_pipelines":true,"container_native":true,"self_hosted_runners":true}` | `{"matrix_builds":true,"yaml_pipelines":true,"container_native":true,"self_hosted_runners":true}` |
| integrations.count | 4 | 1 |
| integrations.list | `[{"name":"Open Policy Agent"},{"name":"GitHub"},{"name":"Git"},{"name":"Docker"}]` | `[{"name":"Flowdock"}]` |
| language.primary | Go | - |
| license.spdx | Apache-2.0 | - |
| platform.support | `{"cli":true,"web":true,"linux":true}` | `{"web":true}` |
| pricing | - | `{"type":"usage","plans":[{"free":false,"name":"Compute - Ubuntu ARM","summary":"$0.003–$0.012/min depending on vCPU","components":[{"per":{"qty":1,"unit":"minute"},"kind":"metered","amount":0.003,"currency":"USD","specification":"2vCPU"},{"per":{"qty":1,"unit":"minute"},"kind":"metered","amount":0.006,"currency":"USD","specification":"4vCPU"},{"per":{"qty":1,"unit":"minute"},"kind":"metered","amount":0.012,"currency":"USD","specification":"8vCPU"}],"contactSales":false,"includedLimits":{"concurrent_jobs":"20 by default"}},{"free":false,"name":"Compute - Ubuntu x64","summary":"$0.0075–$0.015/min depending on vCPU","components":[{"per":{"qty":1,"unit":"minute"},"kind":"metered","amount":0.0075,"currency":"USD","specification":"2vCPU"},{"per":{"qty":1,"unit":"minute"},"kind":"metered","amount":0.015,"currency":"USD","specification":"4vCPU"}],"contactSales":false,"includedLimits":{"concurrent_jobs":"20 by default"}},{"free":false,"name":"Compute - MacOS","summary":"$0.09/min","components":[{"per":{"qty":1,"unit":"minute"},"kind":"metered","amount":0.09,"currency":"USD","specification":"4vCPU"}],"contactSales":false,"includedLimits":{"concurrent_jobs":"20 by default"}},{"free":false,"name":"Compute - Self-Hosted","summary":"$0.0025/min","components":[{"per":{"qty":1,"unit":"minute"},"kind":"metered","amount":0.0025,"currency":"USD"}],"contactSales":false,"includedLimits":{"concurrent_jobs":"contact for limits"}}],"addOns":[{"name":"Dedicated Cache Server","components":[{"kind":"fixed","amount":400,"period":"month","currency":"USD"}]},{"name":"Private Docker Registry","components":[{"kind":"fixed","amount":400,"period":"month","currency":"USD"}]},{"name":"Support - Basic","components":[{"kind":"fixed","amount":50,"period":"month","currency":"USD"}]},{"name":"Support - Priority Response","components":[{"kind":"fixed","amount":250,"period":"month","currency":"USD"}]},{"name":"Support - SLA Standard","components":[{"kind":"fixed","amount":500,"period":"month","currency":"USD"}]},{"name":"Support - SLA Premium","components":[{"kind":"fixed","amount":750,"period":"month","currency":"USD"}]},{"name":"Success - Visibility","components":[{"kind":"fixed","amount":125,"period":"month","currency":"USD"}]},{"name":"Success - Performance","components":[{"kind":"fixed","amount":300,"period":"month","currency":"USD"}]},{"name":"Success - Scale","components":[{"kind":"fixed","amount":1000,"period":"month","currency":"USD"}]},{"name":"Success - Alliance","components":[{"kind":"fixed","amount":2000,"period":"month","currency":"USD"}]},{"name":"Engineering Access","components":[{"kind":"one_time","amount":900,"currency":"USD"},{"kind":"one_time","amount":1250,"currency":"USD"},{"kind":"one_time","amount":2000,"currency":"USD"}]}],"summary":"Pay-per-minute metered compute: $0.0025/min (self-hosted) to $0.09/min (MacOS). Includes 20 concurrent jobs, $15/month free credits, 9.6 GB cache, and free support. Optional modular support and success services.","currency":"USD","freeTier":true,"sourceUrl":"https://semaphore.io/","retrievedAt":"2026-08-03T20:21:00.253Z","startingPrice":{"amount":0.0025,"period":"month","currency":"USD"},"billingPeriods":["month","year"]}` |
| pricing.free_tier | - | yes |
| pricing.model | commercial | freemium |
| pricing.price_level | - | low |
| pricing.transparent | - | yes |
| release.cadence_days | 20 | - |
| release.history | `[{"url":"https://github.com/concourse/concourse/releases/tag/v8.3.0","date":"2026-08-13T02:49:30Z","type":"stable","version":"v8.3.0"},{"url":"https://github.com/concourse/concourse/releases/tag/v8.2.5","date":"2026-08-03T16:39:02Z","type":"stable","version":"v8.2.5"},{"url":"https://github.com/concourse/concourse/releases/tag/v8.2.4","date":"2026-06-16T15:21:23Z","type":"stable","version":"v8.2.4"},{"url":"https://github.com/concourse/concourse/releases/tag/v8.2.3","date":"2026-05-27T14:45:37Z","type":"stable","version":"v8.2.3"},{"url":"https://github.com/concourse/concourse/releases/tag/v8.2.2","date":"2026-05-24T15:33:26Z","type":"stable","version":"v8.2.2"},{"url":"https://github.com/concourse/concourse/releases/tag/v8.2.1","date":"2026-05-12T21:00:21Z","type":"stable","version":"v8.2.1"},{"url":"https://github.com/concourse/concourse/releases/tag/v8.2.0","date":"2026-05-07T20:41:38Z","type":"stable","version":"v8.2.0"},{"url":"https://github.com/concourse/concourse/releases/tag/v8.1.1","date":"2026-03-17T20:40:26Z","type":"stable","version":"v8.1.1"},{"url":"https://github.com/concourse/concourse/releases/tag/v8.1.0","date":"2026-03-04T15:38:40Z","type":"stable","version":"v8.1.0"},{"url":"https://github.com/concourse/concourse/releases/tag/v8.0.2","date":"2026-02-19T21:50:25Z","type":"stable","version":"v8.0.2"},{"url":"https://github.com/concourse/concourse/releases/tag/v8.0.1","date":"2026-01-29T16:32:52Z","type":"stable","version":"v8.0.1"},{"url":"https://github.com/concourse/concourse/releases/tag/v8.0.0","date":"2026-01-15T14:39:14Z","type":"stable","version":"v8.0.0"},{"url":"https://github.com/concourse/concourse/releases/tag/v7.14.3","date":"2025-11-12T23:10:58Z","type":"stable","version":"v7.14.3"},{"url":"https://github.com/concourse/concourse/releases/tag/v7.14.2","date":"2025-10-07T00:57:49Z","type":"stable","version":"v7.14.2"},{"url":"https://github.com/concourse/concourse/releases/tag/v7.14.1","date":"2025-08-18T23:44:26Z","type":"stable","version":"v7.14.1"},{"url":"https://github.com/concourse/concourse/releases/tag/v7.14.0","date":"2025-08-12T13:32:44Z","type":"stable","version":"v7.14.0"},{"url":"https://github.com/concourse/concourse/releases/tag/v7.13.2","date":"2025-05-23T17:04:42Z","type":"stable","version":"v7.13.2"},{"url":"https://github.com/concourse/concourse/releases/tag/v7.13.1","date":"2025-04-09T15:28:43Z","type":"stable","version":"v7.13.1"},{"url":"https://github.com/concourse/concourse/releases/tag/v7.13.0","date":"2025-04-03T14:31:47Z","type":"stable","version":"v7.13.0"},{"url":"https://github.com/concourse/concourse/releases/tag/v7.12.1","date":"2025-01-23T21:41:55Z","type":"stable","version":"v7.12.1"}]` | - |
| reliability.status_page | - | yes |
| security.iso27001 | - | yes |
| security.pci | - | yes |
| security.scorecard | 5.8 | - |
| security.soc2 | - | yes |
| security.vulnerabilities | `{"count":5,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=go&package_name=github.com%2Fconcourse%2Fconcourse&per_page=100","last_12m":1,"max_severity":"HIGH"}` | - |

## Capabilities (CI/CD Tools)

| Capability | Concourse CI | Semaphore |
|---|:--:|:--:|
| **Deployment** |  |  |
| Hosting | 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 2026-09-01T16:58:02.172Z. "-" = undocumented, not absent.*