GitHub if you want the largest community, best ecosystem, and simplest experience. GitLab if you want an all-in-one DevOps platform with built-in CI/CD, registry, and project management.
Side-by-side
| GitHub | GitLab | |
|---|---|---|
| Community | Largest (100M+ developers) | Large |
| CI/CD | GitHub Actions | GitLab CI (built-in, more mature) |
| Container registry | GitHub Packages | Built-in |
| Project management | Issues, Projects | Issues, Boards, Epics, Milestones |
| Self-hosting | GitHub Enterprise (paid) | Free (Community Edition) |
| Free private repos | Yes | Yes |
| Code review | Pull Requests | Merge Requests |
| AI features | Copilot | Duo |
| Open source hosting | Standard (most OSS is here) | Good |
| Pricing (teams) | $4/user/month | $29/user/month (Premium) |
Where GitHub wins
- Community — open source lives on GitHub. If you want contributors, visibility, and stars, GitHub is where developers are.
- GitHub Actions — simple YAML-based CI/CD with a massive marketplace of reusable actions.
- Copilot — the most popular AI coding assistant, deeply integrated.
- Ecosystem — every tool integrates with GitHub first. Vercel, Netlify, Railway, every CI service.
- Simplicity — cleaner UI, less overwhelming for small teams.
Where GitLab wins
- All-in-one — CI/CD, container registry, package registry, security scanning, project management — all built in. No third-party tools needed.
- CI/CD maturity — GitLab CI has been around longer and is more powerful than GitHub Actions for complex pipelines.
- Self-hosting — GitLab Community Edition is free to self-host. GitHub Enterprise is expensive.
- DevSecOps — built-in SAST, DAST, dependency scanning, container scanning.
- Enterprise features — epics, roadmaps, value stream analytics.
How to choose
- Open source project? GitHub (that’s where the community is).
- Small team / startup? GitHub (simpler, cheaper).
- Enterprise with compliance needs? GitLab (all-in-one, self-hostable).
- Want to self-host for free? GitLab.
- Already using GitHub? Stay. The switching cost isn’t worth it for most teams.
See also: Git cheat sheet | GitHub Actions cheat sheet | What is Git?