Cloudflare
Semaphore
| Feature | Cloudflare | Semaphore |
|---|---|---|
| Pricing | Free / from $20/mo | Free / from $10/mo |
| Free Plan | ✓ Yes | ✓ Yes |
| Rating | 4.6 / 5 | 4.3 / 5 |
| Best For | websites, web-applications, api-developers, enterprises | development-teams, open-source-projects, startups, monorepo-users |
| Founded | 2009 | 2012 |
| Cdn | ✓ | ✗ |
| Ddos Protection | ✓ | ✗ |
| Dns | ✓ | ✗ |
| Workers Serverless | ✓ | ✗ |
| Zero Trust | ✓ | ✗ |
| Web Application Firewall | ✓ | ✗ |
| Ssl Tls | ✓ | ✗ |
| Pages | ✓ | ✗ |
| Parallel Pipelines | ✗ | ✓ |
| Test Reports | ✗ | ✓ |
| Secrets Management | ✗ | ✓ |
| Docker Support | ✗ | ✓ |
| Caching | ✗ | ✓ |
| Notifications | ✗ | ✓ |
✓ Cloudflare Pros
- Generous free tier includes CDN, DNS, and basic DDoS protection
- Global edge network with 300+ data centers
- Workers platform for serverless computing at the edge
- Fast DNS propagation and always-on DDoS mitigation
✗ Cloudflare Cons
- Advanced security features require expensive plans
- Support quality varies by plan level
- Some features have usage-based billing surprises
✓ Semaphore Pros
- Extremely fast build times
- Generous free tier for open source
- Easy YAML-based configuration
- Built-in secrets management
✗ Semaphore Cons
- Smaller community than GitHub Actions
- Limited marketplace for pre-built steps
- Debugging failed builds can be tricky
The Verdict
Cloudflare is built for websites and web applications, with a focus on cdn and ddos-protection. Semaphore targets development teams and open source projects and leads with parallel-pipelines and test-reports.
On pricing, Semaphore is the clear winner for budget-conscious users — starting at $10/mo compared to $20/mo for Cloudflare. That $10/mo difference adds up quickly for growing teams.
Both offer free plans, so you can test each with your real workflow before committing to a subscription.
Feature-wise, Cloudflare offers broader built-in capabilities (8 features vs 6), while Semaphore takes a more focused approach — which can mean a simpler, faster onboarding experience.
Bottom line: Cloudflare has a slight overall edge — but if extremely fast build times matters most to you, Semaphore may still be the right call.