# 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://pulse-forge.io/vs/harbor-vs-zot
- **1-Click $0 Free Starter docker-compose.prod.yml + CLAUDE.md**: https://pulse-forge.io/api/launch-kit/free-claude-md?repo=harbor/harbor
- **1-Click $4.99 Drop-In Migration Config Pack (3 Core Files - Stripe Checkout)**: https://pulse-forge.io/buy/micro_pass?repo=harbor/harbor&source=md_vs
- **1-Click $9.99 Complete 9-File Production Config .ZIP (Stripe Checkout)**: https://pulse-forge.io/buy/repo_pass_999?repo=harbor/harbor&source=md_vs_999
- **1-Click $49 Builder Repo Hardening & Launch Kit (Stripe Checkout)**: https://pulse-forge.io/buy/instant_boost?repo=harbor/harbor
- **1-Click $149 Category Leader Pro + 30-Day Pin (Stripe Checkout)**: https://pulse-forge.io/buy/category_leader?repo=harbor/harbor
- **Specimen #1 Production Config Preview (`docker-compose.prod.yml`)**: `+ [docker-compose.prod.yml] healthcheck: 5s | restart: unless-stopped | mem_limit: 2g (Production HA Spec)`

## 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