Auth0 vs Keycloak

Fit:

Migration notes

Reconfigure applications for OIDC/SAML, migrate or federate directories, rebuild policies and login flows. Covers identity provider/login needs; assess workforce lifecycle and vendor integration parity separately.

Sources: www.keycloak.org · checked 2026-10-21

Auth0Paid incumbent

Entry priceUSD 35 / account / month

Pricing modelusage, billed monthly

OwnerOkta, Inc. (NASDAQ: OKTA)

Displayed Essentials B2C price for 500 monthly active users; B2B and MAU selections change price; free plan also exists. Source

Auth0 plans reviewed
Free	entry	Free
Professional	business	Not established
Enterprise	enterprise	Quote only

KeycloakOpen-source alternative

Fit for Auth0

License

Apache License 2.0 A permissive license whose main conditions require preservation of copyright and license notices. Contributors provide an express grant of patent rights. Licensed works, modifications, and larger works may be distributed under different terms and without source code. May Commercial useModificationDistributionPatent usePrivate use Must License and copyright noticeState changes No Trademark useLiabilityWarranty Summary from GitHub's choosealicense.com

Paid-feature tier A

Self-host

Paid-feature limitsNone established

Keycloak plans reviewed
Keycloak	free self-hosted core	Free

What you may give up

No paid-feature limits established for this edition.

Tier A: Community IAM product; documented SSO, federation, administration, MFA and authorization included. No project commercial feature edition identified. Third-party hosting/support not counted as a project hosted offering. License source

What running it takes

TLS certificates / HTTPS

or
Podman

or
or
or
Microsoft SQL Server 2019/2022 or Azure SQL
or
Oracle 19c or 23.x

Hover or focus an icon for its name. Dashed means not established; struck through means no; grouped icons are alternatives.

Native Linux/Windows JVM distribution or container deployment supported. Production relational database required; development file DB unsuitable. JVM bundled in official container (OpenJDK21), separately installed for native path (17/21/25 supported). No external Redis/queue baseline; documented HA topology adds Infinispan. Infrastructure and staff time are not priced here; this page does not compare total cost.