Harbor
Pulumi
| Feature | Harbor | Pulumi |
|---|---|---|
| Pricing | Free only | Free / from $50/mo |
| Free Plan | ✓ Yes | ✓ Yes |
| Rating | 4.3 / 5 | 4.4 / 5 |
| Best For | enterprise-devops, container-teams, security-teams, regulated-industries | developers, platform-engineers, polyglot-teams, cloud-architects |
| Founded | 2016 | 2017 |
| Container Registry | ✓ | ✗ |
| Vulnerability Scanning | ✓ | ✗ |
| Rbac | ✓ | ✗ |
| Image Signing | ✓ | ✗ |
| Replication | ✓ | ✗ |
| Garbage Collection | ✓ | ✗ |
| Audit Logs | ✓ | ✗ |
| Programming Languages | ✗ | ✓ |
| Multi Cloud | ✗ | ✓ |
| State Management | ✗ | ✓ |
| Policy As Code | ✗ | ✓ |
| Secrets Management | ✗ | ✓ |
| Pulumi Ai | ✗ | ✓ |
| Drift Detection | ✗ | ✓ |
✓ Harbor Pros
- Completely free and CNCF graduated project
- Built-in vulnerability scanning (Trivy integration)
- Image signing and policy enforcement
- Multi-registry replication for geo-distribution
✗ Harbor Cons
- Requires self-hosting and infrastructure management
- UI is functional but not modern
- Initial setup complexity for production
✓ Pulumi Pros
- Use real programming languages instead of DSLs
- Strong typing and IDE support for infrastructure code
- Multi-cloud support with consistent API
- Pulumi AI generates infrastructure code from prompts
✗ Pulumi Cons
- Smaller community than Terraform
- State management requires Pulumi Cloud or self-hosting
- Less third-party provider coverage than Terraform
The Verdict
Harbor is built for enterprise devops and container teams, with a focus on container-registry and vulnerability-scanning. Pulumi targets developers and platform engineers and leads with programming-languages and multi-cloud.
Harbor uses custom enterprise pricing, while Pulumi starts at $50/mo — a tangible advantage for teams with a fixed budget.
Both offer free plans, so you can test each with your real workflow before committing to a subscription.
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.