Choose CircleCI if you need
- Integration with GitLab, Docker Hub or Kubernetes. We haven't found them on Semaphore's website.
At a glance
- CircleCI has a free plan. We haven't confirmed one for Semaphore.
- CircleCI's lowest paid plan is Performance at $15 per month, starting at, as of October 23, 2026.
- Both are available on CLI and API.
- Both work with GitHub and Bitbucket.
- Both list SOC 2 and SSO.
- Only Semaphore lists ISO 27001.
- Both have a public API.
- Both can be self-hosted.
From each tool's own website, checked on the dates below, and from published reviews.
Which to choose
From the facts checked for both tools, not from opinion. A fact we haven't confirmed for one of them is never counted.
Choose Semaphore if you need
- Integration with Slack, Okta or ArgoCD. We haven't found them on CircleCI's website.
- ISO 27001. We haven't found it on CircleCI's website.
CircleCI
Nobody has reviewed CircleCI yet. Its rating shows once it has 3 reviews.
Review CircleCI
Semaphore
Nobody has reviewed Semaphore yet. Its rating shows once it has 3 reviews.
Review SemaphoreThe facts
- What it does
- CircleCIValidate before you push. Spend less. Ship more
- SemaphoreCI built for coding agents - fast, affordable, and enterprise-ready
- Free plan
- CircleCIYes
- SemaphoreNot confirmed
- Pricing
- CircleCIUsage-based
- SemaphoreNot confirmed
- Paid plans from
- CircleCI
What they share
From the platforms and integrations each website lists.
Platforms
Both
- CLI
- API
Only CircleCINothing else listed
Only SemaphoreNothing else listed
Integrations
Both
- GitHub
- Bitbucket
Only CircleCI
- GitLab
- Docker Hub
- Kubernetes
People who switched
Reviewers who say they used one of these before the other.
No reviewer has said they moved between CircleCI and Semaphore yet.
Used either of them?
Your review makes this comparison better for the next person. Review CircleCI or review Semaphore.