Semaphore
Trigger.dev
| Feature | Semaphore | Trigger.dev |
|---|---|---|
| Pricing | Free / from $10/mo | Free / from $0/mo |
| Free Plan | ✓ Yes | ✓ Yes |
| Rating | 4.3 / 5 | 4.4 / 5 |
| Best For | development-teams, open-source-projects, startups, monorepo-users | typescript-developers, saas-apps, background-processing, serverless-teams |
| Founded | 2012 | 2022 |
| Parallel Pipelines | ✓ | ✗ |
| Test Reports | ✓ | ✗ |
| Secrets Management | ✓ | ✗ |
| Docker Support | ✓ | ✗ |
| Caching | ✓ | ✗ |
| Notifications | ✓ | ✗ |
| Background Jobs | ✗ | ✓ |
| Scheduled Tasks | ✗ | ✓ |
| Event Triggers | ✗ | ✓ |
| Retries | ✗ | ✓ |
| Observability | ✗ | ✓ |
| Concurrency Control | ✗ | ✓ |
| Self Hostable | ✗ | ✓ |
✓ 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
✓ Trigger.dev Pros
- Write background jobs in TypeScript (not YAML/config)
- Built-in retries, queues, and concurrency controls
- Excellent developer experience with type safety
- Open-source with self-hosting option
✗ Trigger.dev Cons
- TypeScript only (no Python/Go support)
- Cloud pricing based on compute time
- Newer platform with evolving API
The Verdict
Semaphore is built for development teams and open source projects, with a focus on parallel-pipelines and test-reports. Trigger.dev targets typescript developers and saas apps and leads with background-jobs and scheduled-tasks.
On pricing, Trigger.dev 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, Trigger.dev offers broader built-in capabilities (7 features vs 6), while Semaphore takes a more focused approach — which can mean a simpler, faster onboarding experience.
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.