# Flux CD vs Semaphore

**Leader by vioscaleAI score:** Semaphore

| Attribute | Flux CD | Semaphore |
|---|---|---|
| **vioscaleAI score** | 54.1 (47% (low)) | 62.5 (70% (medium)) |
| activity.commits_last_30d | 10 | - |
| adoption.dependent_repos | 10 | - |
| adoption.github_stars | 5,418 | - |
| content.faq | `[{"answer":"Continuous delivery solution for Kubernetes that enables GitOps workflows through automatic reconciliation from Git. A CNCF Graduated project. It is indexed under CI/CD Tools.","source":"https://fluxcd.io","question":"What is Flux CD?","confidence":0.6},{"answer":"Flux CD is open source, so it can be self-hosted and used at no licence cost. It is released under the Apache-2.0 licence. Pricing changes often, so verify at source before relying on it.","source":"https://fluxcd.io","question":"Is Flux CD free to use?","confidence":0.6},{"answer":"Flux CD supports a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://fluxcd.io","question":"What platforms does Flux CD support?","confidence":0.6},{"answer":"Yes. Flux CD can be deployed cloud / SaaS and self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://fluxcd.io","question":"Can Flux CD be self-hosted?","confidence":0.6},{"answer":"We have confirmed 21 integrations for Flux CD, including GitHub, GitLab, Bitbucket, AWS S3, AWS EKS, AWS KMS, Azure and Google Cloud Artifact Registry, plus 13 more. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://fluxcd.io","question":"What does Flux CD integrate with?","confidence":0.6},{"answer":"We have independently confirmed GDPR for Flux CD. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as Flux CD not holding them. Always confirm compliance directly before you rely on it.","source":"https://fluxcd.io/flux/security/contextual-authorization/","question":"What security certifications does Flux CD have?","confidence":0.7},{"answer":"Yes. Flux CD is published under the Apache-2.0 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/fluxcd/flagger","question":"Is Flux CD open source?","confidence":0.95}]` | `[{"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}]` |
| deployment.options | `{"cloud":true,"self_hosted":true}` | `{"cloud":true,"self_hosted":true}` |
| description.long | Continuous delivery solution for Kubernetes that enables GitOps workflows through automatic reconciliation from Git. A CNCF Graduated project. | A delivery platform that combines CI/CD capabilities with AI-driven features through a command-line interface. |
| features.capabilities | `{"hosting":"both","yaml_pipelines":true,"container_native":true,"secrets_management":true,"deploy_environments":true,"self_hosted_runners":true}` | `{"hosting":"both","matrix_builds":true,"yaml_pipelines":true,"container_native":true,"self_hosted_runners":true}` |
| integrations.count | 25 | 1 |
| integrations.list | `[{"name":"GitHub"},{"name":"GitLab"},{"name":"Bitbucket"},{"name":"AWS S3"},{"name":"AWS EKS"},{"name":"AWS KMS"},{"name":"Azure"},{"name":"Azure Key Vault"},{"name":"Azure AKS"},{"name":"Azure DevOps"},{"name":"Azure Event Hubs"},{"name":"Google Cloud Artifact Registry"},{"name":"Google Cloud Storage"},{"name":"Google Cloud Key Management Service"},{"name":"Google Kubernetes Engine"},{"name":"Google Cloud Pub/Sub"},{"name":"Slack"},{"name":"Google Chat"},{"name":"Kustomize"},{"name":"Helm"},{"name":"Harbor"},{"name":"Flagger"},{"name":"OCI"},{"name":"SOPS"},{"name":"Cluster API"},{"name":"Amazon Web Services","native":true,"category":"cloud_infrastructure"},{"name":"AWS IAM","native":true},{"name":"AWS ACK","native":true,"direction":"bidirectional"},{"name":"CodeCommit","native":true},{"name":"S3","native":true,"category":"cloud_storage"},{"name":"KMS","native":true,"category":"security"},{"name":"ECR","native":true,"category":"container_registry"},{"name":"EKS","native":true,"category":"kubernetes"},{"name":"Kubernetes","native":true,"category":"orchestration","direction":"bidirectional"},{"name":"Terraform","native":false,"category":"iac"},{"name":"OpenTofu","native":false,"category":"iac"}]` | `[{"name":"Flowdock"}]` |
| language.primary | Go | - |
| license.spdx | Apache-2.0 | - |
| market.availability | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | - |
| platform.support | `{"cli":true}` | `{"cli":true}` |
| pricing | `{"type":"open_source","freeTier":true,"sourceUrl":"https://fluxcd.io","retrievedAt":"2026-08-13T18:19:06.825Z"}` | `{"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 | yes |
| pricing.model | open_source | freemium |
| pricing.price_level | free | low |
| pricing.transparent | - | no |
| release.cadence_days | 50 | - |
| release.history | `[{"url":"https://github.com/fluxcd/flagger/releases/tag/v1.45.0","date":"2026-09-01T14:30:56Z","type":"stable","version":"v1.45.0"},{"url":"https://github.com/fluxcd/flagger/releases/tag/v1.44.0","date":"2026-07-21T04:41:29Z","type":"stable","version":"v1.44.0"},{"url":"https://github.com/fluxcd/flagger/releases/tag/v1.43.0","date":"2026-04-21T13:24:06Z","type":"stable","version":"v1.43.0"},{"url":"https://github.com/fluxcd/flagger/releases/tag/v1.42.0","date":"2025-10-16T14:03:00Z","type":"stable","version":"v1.42.0"},{"url":"https://github.com/fluxcd/flagger/releases/tag/v1.41.0","date":"2025-04-02T11:48:30Z","type":"stable","version":"v1.41.0"},{"url":"https://github.com/fluxcd/flagger/releases/tag/v1.40.0","date":"2024-12-17T09:46:38Z","type":"stable","version":"v1.40.0"},{"url":"https://github.com/fluxcd/flagger/releases/tag/v1.39.0","date":"2024-11-26T12:09:01Z","type":"stable","version":"v1.39.0"},{"url":"https://github.com/fluxcd/flagger/releases/tag/v1.38.0","date":"2024-07-30T13:43:09Z","type":"stable","version":"v1.38.0"},{"url":"https://github.com/fluxcd/flagger/releases/tag/v1.37.0","date":"2024-03-26T13:45:13Z","type":"stable","version":"v1.37.0"},{"url":"https://github.com/fluxcd/flagger/releases/tag/v1.36.1","date":"2024-03-06T08:16:31Z","type":"stable","version":"v1.36.1"},{"url":"https://github.com/fluxcd/flagger/releases/tag/v1.36.0","date":"2024-02-07T19:45:09Z","type":"stable","version":"v1.36.0"},{"url":"https://github.com/fluxcd/flagger/releases/tag/v1.35.0","date":"2023-11-30T15:39:59Z","type":"stable","version":"v1.35.0"},{"url":"https://github.com/fluxcd/flagger/releases/tag/v1.34.0","date":"2023-10-04T10:30:29Z","type":"stable","version":"v1.34.0"},{"url":"https://github.com/fluxcd/flagger/releases/tag/v1.33.0","date":"2023-08-29T14:56:35Z","type":"stable","version":"v1.33.0"},{"url":"https://github.com/fluxcd/flagger/releases/tag/v1.32.0","date":"2023-07-14T10:29:23Z","type":"stable","version":"v1.32.0"},{"url":"https://github.com/fluxcd/flagger/releases/tag/v1.31.0","date":"2023-05-10T17:08:04Z","type":"stable","version":"v1.31.0"},{"url":"https://github.com/fluxcd/flagger/releases/tag/v1.30.0","date":"2023-04-12T15:26:22Z","type":"stable","version":"v1.30.0"},{"url":"https://github.com/fluxcd/flagger/releases/tag/v1.29.0","date":"2023-02-21T09:01:45Z","type":"stable","version":"v1.29.0"},{"url":"https://github.com/fluxcd/flagger/releases/tag/v1.28.0","date":"2023-01-26T12:25:17Z","type":"stable","version":"v1.28.0"},{"url":"https://github.com/fluxcd/flagger/releases/tag/v1.27.0","date":"2022-12-16T10:17:42Z","type":"stable","version":"v1.27.0"}]` | - |
| reliability.status_page | - | yes |
| security.disclosure_policy | yes | - |
| security.gdpr | yes | - |
| security.iso27001 | - | yes |
| security.pci | - | yes |
| security.scorecard | 8.8 | - |
| security.soc2 | - | yes |
| security.vulnerabilities | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=go&package_name=github.com%2Ffluxcd%2Fflagger&per_page=100","last_12m":0,"max_severity":null}` | - |

## Capabilities (CI/CD Tools)

| Capability | Flux CD | Semaphore |
|---|:--:|:--:|
| **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 2026-10-16T18:31:34.866Z. "-" = undocumented, not absent.*