Keycloak vs Better Auth
Learn how Keycloak and Better Auth differ in their key features like authentication, enterprise auth, security, user management and compliance, so you can decide which of these authentication providers is best for you.
Keycloak
Better Auth
Feature Comparison
Both tools offer comparable feature coverage, with Keycloak supporting 30 features and Better Auth supporting 25. Consider your specific needs regarding authentication, enterprise auth, security, user management and extensibility when making your decision. Keycloak fully covers authentication and machine to machine (m2m) authentication and more.
Magic link and email OTP plugins allow passwordless sign-in using one-time links or codes
Supports multiple social providers through built-in OAuth and generic OAuth plugin for custom providers
The passkey plugin adds FIDO2 / WebAuthn support for passwordless, phishing‑resistant sign‑in
Session idle and max lifespans and offline sessions can be adjusted to keep sessions alive for longer periods
Session settings allow you to configure expiresIn and updateAge to create longer or shorter sessions
Admins can view and revoke user and client sessions, sign out all sessions, and configure session lifespans in the admin console
The UI is internationalized. Administrators can enable multiple languages and users can choose their language at login or in the account/admin consoles
No official multi‑language or localization support, but a community plugin for localization exists
| Keycloak | Better Auth | |
|---|---|---|
Magic link and email OTP plugins allow passwordless sign-in using one-time links or codes | ||
Supports multiple social providers through built-in OAuth and generic OAuth plugin for custom providers | ||
The passkey plugin adds FIDO2 / WebAuthn support for passwordless, phishing‑resistant sign‑in | ||
Session idle and max lifespans and offline sessions can be adjusted to keep sessions alive for longer periods | Session settings allow you to configure expiresIn and updateAge to create longer or shorter sessions | |
Admins can view and revoke user and client sessions, sign out all sessions, and configure session lifespans in the admin console | ||
The UI is internationalized. Administrators can enable multiple languages and users can choose their language at login or in the account/admin consoles | No official multi‑language or localization support, but a community plugin for localization exists |
Compliance Comparison
Neither Keycloak nor Better Auth provide compliance certifications and regulatory frameworks, as both are open source. You’ll need to handle compliance requirements on your own.
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