Semaphore CI
The CI built for coding agents — fast, affordable, and enterprise-ready
- Also known as
- semaphore-ci
What is Semaphore CI?
Semaphore is a metered-pricing CI/CD platform offering cloud, hybrid, and self-hosted deployment options. Separates compute costs from support services, with transparent per-minute pricing starting at $0.0025/min for self-hosted.
Semaphore CI pricing
Plans, per-tier features and add-ons, dated and linked to live pricing. Pricing changes often; always verify at source before you rely on it.
Metered compute from $0.0025–0.09/min depending on machine type. Free tier includes $15/month credits. Optional support ($50–750/mo) and success ($125–2000/mo) add-ons. Annual discounts available.
Semaphore Cloud
Metered compute with included free credits and resources
- cache_storage
- 9.6 GB per project
- concurrent_jobs
- 20 by default
- artifacts_egress
- 20 GB/month
- artifacts_storage
- 100 GB/month
- free_credits_monthly
- $15/month (~2000 Ubuntu x64 2-vCPU minutes)
- Metered compute billing
- Free $15 monthly credits
- 20 concurrent jobs by default
- 9.6 GB cache per project
- Ubuntu ARM/x64, MacOS, or self-hosted options
Add-ons
- Dedicated Cache Server$400/mo
- Private Docker Registry$400/mo
- Support - Basic$50/mo
- Support - Priority Response$250/mo
- Support - SLA Standard$500/mo
- Support - SLA Premium$750/mo
- Success - Visibility$125/mo
- Success - Performance$300/mo
- Success - Scale$1000/mo
- Success - Alliance$2000/mo
- Engineering Access 3 hours$900 one-time
- Engineering Access 5 hours$1250 one-time
- Engineering Access 10 hours$2000 one-time
What Semaphore CI does
The capabilities that matter for ci/cd tools, normalised so it lines up with every alternative. “-” means we haven't confirmed it, not that it's missing.
- Hosting
- -
- Self-hosted runners
- ✓
- Config-as-code pipelines
- -
- Matrix / parallel builds
- -
- Container-native builds
- ✓
- Build caching
- ✓
- Secrets management
- ✓
- Deployment environments & approvals
- ✓
- Reusable actions / marketplace
- -
Platform & deployment
Independently observed- Web
- Cloud / SaaS
- Hybrid
- Self-hosted
Integrations (2)
Independently observed- Git providers (SSH/HTTPS)
- FastSpring
Semaphore CI alternatives
Other ci/cd tools we track, ranked by the same independent score.
The Vioscale score: one lens on the evidence
Not user reviews and not a paid placement: a confidence-weighted blend of the independent signals below (adoption, activity, security posture, and more), which you can sort and re-weight yourself. Vendors can correct their listing but can never move their rank, and stars are weighted low as a vanity metric. It is one way to read the evidence for Semaphore CI, not the verdict.
| Signal | Score | Weight | Contribution | Evidence |
|---|---|---|---|---|
| Security Posture | 80 | 26.00 | 2080.0 | ✓ |
| Capabilities | 75 | 14.00 | 1046.1 | ✓ |
| Pricing Transparency | 100 | 6.00 | 600.0 | ✓ |
| Reliability | 50 | 8.00 | 400.0 | ✓ |
| Price Level | 80 | 4.00 | 320.0 | ✓ |
| Integrations | 14 | 8.00 | 109.8 | ✓ |
Computed . Re-weight it by intent, or see the full method.
All data & sourcesshow ↓
Every value we hold, with its source, retrieval date, and confidence. This is the evidence behind the score: don't trust it, verify it.
Features
| Attribute | Value | Evidence |
|---|---|---|
| Capabilities | {"caching":true,"container_native":true,"secrets_management":true,"deploy_environments":true,"self_hosted_runners":true} | mediumsource · 2026-08-03 · 60% |
Integrations
| Attribute | Value | Evidence |
|---|---|---|
| Count | 2 | mediumsource · 2026-08-03 · 60% |
Pricing
Reliability
| Attribute | Value | Evidence |
|---|---|---|
| Status page | Yes | mediumsource · 2026-08-03 · 60% |