# Semaphore vs Spinnaker

**Leader by vioscaleAI score:** Semaphore

| Attribute | Semaphore | Spinnaker |
|---|---|---|
| **vioscaleAI score** | 62.5 (70% (medium)) | 50 (7% (low)) |
| content.faq | `[{"answer":"An all-in-one continuous integration and delivery platform designed for modern cloud development, offering both open-source self-hosted and cloud-hosted options for building and deploying applications. It is indexed under CI/CD Tools.","source":"https://semaphore.io/","question":"What is Semaphore?","confidence":0.6},{"answer":"Semaphore offers a free tier, so you can start without paying. Paid plans start at $0.00. Pricing changes often, so verify at source before relying on it.","source":"https://semaphore.io/","question":"Is Semaphore free?","confidence":0.6},{"answer":"We have confirmed browser-based access to Semaphore. That is the extent of what we could verify from public sources, so it may well offer desktop or mobile clients we have not indexed.","source":"https://semaphore.io/blog/2013/03/07/semaphore-pricing-update-with-higher-plans.html","question":"What platforms does Semaphore support?","confidence":0.6},{"answer":"Yes. Semaphore can be deployed cloud / SaaS and self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://semaphore.io/","question":"Can Semaphore be self-hosted?","confidence":0.6},{"answer":"We have independently confirmed SOC 2 and ISO 27001 for Semaphore. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as Semaphore not holding them. Always confirm compliance directly before you rely on it.","source":"https://semaphore.io/","question":"What security certifications does Semaphore have?","confidence":0.48}]` | `[{"answer":"A platform that streamlines software releases across various cloud environments with speed and reliability. It is indexed under CI/CD Tools.","source":"https://spinnaker.io","question":"What is Spinnaker?","confidence":0.6},{"answer":"Spinnaker 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://spinnaker.io","question":"Is Spinnaker free to use?","confidence":0.6},{"answer":"We have confirmed browser-based access to Spinnaker. That is the extent of what we could verify from public sources, so it may well offer desktop or mobile clients we have not indexed.","source":"https://spinnaker.io","question":"What platforms does Spinnaker support?","confidence":0.6},{"answer":"Yes. Spinnaker can be deployed cloud / SaaS, hybrid, on-premise and self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://spinnaker.io","question":"Can Spinnaker be self-hosted?","confidence":0.6},{"answer":"We have confirmed 15 integrations for Spinnaker, including Jenkins, Travis CI, Docker, Git, AWS EC2, Kubernetes, Google Compute Engine and Google App Engine, plus 7 more. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://spinnaker.io","question":"What does Spinnaker integrate with?","confidence":0.6}]` |
| deployment.options | `{"cloud":true,"self_hosted":true}` | `{"self_hosted":true}` |
| description.long | A delivery platform that combines CI/CD capabilities with AI-driven features through a command-line interface. | An open-source platform that enables rapid and reliable software deployments across multiple cloud environments, providing continuous delivery capabilities for managing software releases. |
| features.capabilities | `{"hosting":"both","matrix_builds":true,"yaml_pipelines":true,"container_native":true,"self_hosted_runners":true}` | `{"hosting":"both","container_native":true,"deploy_environments":true,"self_hosted_runners":true}` |
| integrations.count | 1 | 18 |
| integrations.list | `[{"name":"Flowdock"}]` | `[{"name":"Jenkins"},{"name":"Travis CI"},{"name":"Docker"},{"name":"Git"},{"name":"AWS EC2"},{"name":"Kubernetes"},{"name":"Google Compute Engine"},{"name":"Google Kubernetes Engine"},{"name":"Google App Engine"},{"name":"Microsoft Azure"},{"name":"OpenStack"},{"name":"Cloud Foundry"},{"name":"Oracle Cloud Infrastructure"},{"name":"DC/OS"},{"name":"GitHub"},{"name":"GitHub Teams"},{"name":"Google Groups"},{"name":"Azure Groups"}]` |
| platform.support | `{"cli":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"]}` | `{"type":"open_source","freeTier":true,"sourceUrl":"https://spinnaker.io","retrievedAt":"2026-09-03T22:13:09.149Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | freemium | open_source |
| pricing.price_level | low | free |
| pricing.transparent | no | - |
| reliability.status_page | yes | - |
| security.iso27001 | yes | - |
| security.pci | yes | - |
| security.soc2 | yes | - |

## Capabilities (CI/CD Tools)

| Capability | Semaphore | Spinnaker |
|---|:--:|:--:|
| **Deployment** |  |  |
| Hosting | Cloud + self-hosted | Cloud + self-hosted |
| 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: vioscaleAI. Generated 2026-10-16T19:02:27.706Z. "-" = undocumented, not absent.*
