Amazon Web Services (AWS)
Semaphore
| Feature | Semaphore | |
|---|---|---|
| Pricing | Free / from $0/mo | Free / from $10/mo |
| Free Plan | ✓ Yes | ✓ Yes |
| Rating | 4.5 / 5 | 4.3 / 5 |
| Best For | enterprises, startups, large-scale-applications, machine-learning-teams | development-teams, open-source-projects, startups, monorepo-users |
| Founded | 2006 | 2012 |
| Compute Ec2 | ✓ | ✗ |
| Storage S3 | ✓ | ✗ |
| Serverless Lambda | ✓ | ✗ |
| Databases Rds | ✓ | ✗ |
| Machine Learning | ✓ | ✗ |
| Containers Ecs | ✓ | ✗ |
| Cdn Cloudfront | ✓ | ✗ |
| Parallel Pipelines | ✗ | ✓ |
| Test Reports | ✗ | ✓ |
| Secrets Management | ✗ | ✓ |
| Docker Support | ✗ | ✓ |
| Caching | ✗ | ✓ |
| Notifications | ✗ | ✓ |
✓ Amazon Web Services (AWS) Pros
- Most extensive service catalog of any cloud provider
- Global infrastructure with 30+ regions worldwide
- 12-month free tier covering many services
- Mature enterprise tooling and compliance certifications
✗ Amazon Web Services (AWS) Cons
- Complex pricing that is hard to predict
- Steep learning curve with overwhelming service count
- Console UI feels dated compared to competitors
✓ 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
Amazon Web Services (AWS) is built for enterprises and startups, with a focus on compute-ec2 and storage-s3. Semaphore targets development teams and open source projects and leads with parallel-pipelines and test-reports.
On pricing, Amazon Web Services (AWS) is the clear winner for budget-conscious users — starting at $0/mo compared to $10/mo for Semaphore. 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, Amazon Web Services (AWS) offers broader built-in capabilities (7 features vs 6), while Semaphore takes a more focused approach — which can mean a simpler, faster onboarding experience.
Both tools are a solid fit for startups — in those cases, the decision often comes down to workflow style and how your team prefers to organize work.
This is a genuinely close comparison. If you can, sign up for both free trials (where available) and run a one-week test with your actual team tasks before deciding.