Better Auth vs Keycloak
No clear leader: Keycloak (65.4) and Better Auth (64.4) 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
An open-source authentication framework that provides multiple authentication methods including social login, passkeys, passwordless auth, and enterprise features like SSO and directory sync, with optional managed cloud infrastructure for auditing and security monitoring.
Keycloak
An open-source identity management solution that allows users to authenticate once and gain access to multiple applications, eliminating the need for individual login handling at the application level.
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
- Cloudflare
- Microsoft Entra ID
- Yandex
Keycloak
- LDAP
- Active Directory
- Kerberos
- Kubernetes
- Apache APISIX
- OpenTelemetry
- OpenID Connect
- SAML 2.0
Better Auth or Keycloak: which one depends on you
A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.
Free to run, no account needed to start. How the evaluation works
Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.