Better Auth vs Keycloak
No clear leader: Better Auth (71.9) and Keycloak (71.8) are within the 5-point margin; treat as a tie. The attribute-by-attribute breakdown below, with a source and date on every value, is the honest way to compare them.
Capabilities
Feature-by-feature on the axes that matter for auth & identity software. “-” means undocumented, not absent.
What each one is
The product in its own terms, so the numbers below have context.
Better Auth
Better Auth is an open-source framework for building authentication directly into TypeScript applications using code-based configuration. It provides 50+ authentication methods and integrates with 20+ JavaScript frameworks, supporting features like social login, passkeys, multi-factor authentication, and enterprise capabilities such as SAML and SCIM. Optional managed infrastructure adds audit logging, security monitoring, and user management dashboards.
Keycloak
Centralized authentication and authorization platform that manages user identity and access control across applications, reducing the need for individual apps to build their own login systems.
Pricing
List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.
Better Auth
Free tier available. Pro from $20/month. Enterprise custom pricing.
- StarterFree
- User management
- Audit log
- Security detection
- Abuse protection
- Email templates
- +1 more
- Pro$20/month base, plus per-usage overages
- Unlimited seats
- User management
- Audit log with overage
- Security detection with overage
- Transactional Email & SMS
- +5 more
- EnterpriseContact sales
- Custom usage and retention
- Custom domain for Dashboard
- Log drain
- Dashboard RBAC
- Custom MSA and DPA
- +2 more
Platform & deployment
Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.
Integrations
What each product connects to. Counts come from the vendor's own integration directory where one exists.
- GitHub
Better Auth
- Next.js
- Nuxt
- SvelteKit
- Astro
- Hono
- Apple
- Discord
- Passkey Authentication
- Magic Link Authentication
- Email OTP Authentication
- Two Factor Authentication
- Username Authentication
- One Tap Authentication
- Phone Number Authentication
- Anonymous Authentication
- Bearer Authentication
- Generic OAuth
- One Time Token Authentication
- SIWE Authentication
Keycloak
- LDAP
- Active Directory
- Kerberos
- Kubernetes
- Apache APISIX
- OpenTelemetry
Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.