# Harbor vs Zot: 2026 Empirical Benchmark & Cost Shootout

> **Direct Answer (October 2026 Verdict)**: Harbor wins for enterprise RBAC, integrated Trivy vulnerability scanning, and multi-tenant image replication across 29.6k+ GitHub stars (98.4), while Zot wins for minimal footprint (<50MB RAM), single-binary simplicity with zero external database dependencies, and pure OCI spec compliance across 2.8k+ GitHub stars (97.2).

- **Category**: CNCF Enterprise Multi-Tenant Registry vs Lightweight Single-Binary OCI Registry Shootout
- **Canonical URL**: https://exactbaseline.com/vs/harbor-vs-zot
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## Harbor Key Advantages
- 29,580+ GitHub stars as the leading CNCF Graduated enterprise registry with web UI and audit logs
- Native Trivy security scanner automatically blocks vulnerable container images from production deployments
- Cuts $3,900/mo Docker Hub and JFrog Artifactory bills down to $320/mo on self-hosted storage (-91.8%)

## Zot Key Advantages
- 2,890+ GitHub stars delivering a blazing-fast pure OCI registry packaged in a single Go binary
- Consumes under 50MB RAM with zero external database requirements (embedded Bleve metadata search)
- Full support for OCI image index, Cosign signatures, and ORAS artifact specifications