CircleCI vs Semaphore
Updated June 2026 · A structured head-to-head comparison.
The verdict
Both CircleCI and Semaphore are credible ci cd tools, and the right pick comes down to your priorities.
CircleCI — Powerful continuous integration and delivery.
Choose Semaphore if you'd rather have a higher overall rating (4.5/5). Fast continuous integration.
CircleCI vs Semaphore: side by side
| Dimension | CircleCI | Semaphore |
|---|---|---|
| Starting price | Free – $15/mo | Free |
| Free plan | Yes | Yes |
| Pricing model | Freemium | Freemium |
| Best for | Engineering Teams | Developers |
| Platforms | Web, Api | Web, Api |
| Rating | 4.3/5 | 4.5/5Winner |
CircleCI key facts
- Vendor
- CircleCI
- Pricing
- Freemium — Free – $15/mo
- Free tier
- Yes
- Platforms
- Web, Api
- Best for
- Engineering Teams
- Editor rating
- 4.3 / 5
- Founded
- 2011
- Headquarters
- San Francisco, CA, USA
Semaphore key facts
- Vendor
- Semaphore
- Pricing
- Freemium — Free
- Free tier
- Yes
- Platforms
- Web, Api
- Best for
- Developers
- Editor rating
- 4.5 / 5
- Founded
- 2012
- Headquarters
- Remote
Frequently asked questions
Is CircleCI better than Semaphore?
Neither is universally better — Semaphore edges ahead on overall rating, but the best choice depends on price, platforms, and your use case. See the side-by-side table above.
Is CircleCI or Semaphore cheaper?
CircleCI is the more affordable of the two to get started, at free – $15/mo. CircleCI starts at free – $15/mo; Semaphore starts at free.
Can CircleCI replace Semaphore?
Yes for most teams — both are ci cd tools with heavily overlapping features. The main trade-offs are pricing and platform support, covered in the comparison above.