Keycloak vs Railway
The ultimate side-by-side head-to-head analysis for 2026.
Short answer
- Price: not directly comparable — Keycloak is free, Railway is free tier available.
- How to start: Keycloak is free, Railway is free tier available.
These lines are generated from the pricing we track, not from a paid placement. We do not publish a quality score, because we do not have one we can stand behind. They cannot tell you which tool fits your workflow — the sections below are there for that. How we score tools.
Keycloak
Railway
Category
Developer Tools
Developer Tools
Base Price
Free
Free tier
Public API
Yes
Yes
Mobile app
No
No
Open source / self-hostable
Yes
No
SSO (SAML)
Yes
Yes
Choose Keycloak if:
Organisations that need enterprise identity without a per-user bill.
Choose Railway if:
Small teams and side projects that want to ship without managing infrastructure.
Keycloak: pros & cons
- Full identity server at no licence cost
- Standards support including SAML and OIDC
- Complete control over user data
- Operating it is a real responsibility
- Administration console is dense
- Upgrades need care
Railway: pros & cons
- Deploys with almost no configuration
- Databases provisioned in a click
- Clear usage-based pricing
- Costs more than raw infrastructure at scale
- Fewer regions than the large clouds
- Less control over the underlying environment
Our verdict on Keycloak
The serious open-source answer to Auth0. Budget for the operations, because the licence saving is not free.
Our verdict on Railway
Excellent for getting something live quickly. At sustained scale, price it against a plain virtual server.