Authentik vs Clerk
On the evidence we track, Clerk leads this comparison with a composite score of 71/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.
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.
Authentik
authentik is an open-source Identity Provider that consolidates authentication and identity management into one self-hosted platform, supporting standard protocols like OAuth2/OIDC, SAML, LDAP, and RADIUS for modern SSO deployments.
Clerk
LeaderProvides embeddable components and APIs for adding authentication, profile management, organizations, and subscription billing to applications. Supports enterprise features like SAML, SCIM provisioning, and multi-tenancy.
Pricing
List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.
Authentik
- Open SourceFree
- OIDC, SAML, LDAP, SCIM, RADIUS, Proxy support
- OpenID Certified for OpenID Connect
- Web-based RDP/SSH access
- B2B and B2C use cases
- Community Discord support
- Enterprise-
- Google Workspace integration
- Microsoft Entra ID integration
- Embed external OAuth/SAML sources
- Chrome Enterprise Device Trust connector
- Shared Signals Framework support
- +9 more
- Enterprise PlusContact sales
- Invoice-based billing
- Dedicated, customized support and SLAs
- Volume discounts
- Support for multi-instance deployments
- FIPS compliance for FedRAMP
Clerk
LeaderFree up to 50K MRU. Pro from $20/mo billed annually (includes 50K MRU + 1 enterprise connection). Add-ons available.
- FreeFree
- Social authentication (Google, GitHub, Facebook)
- Email/password authentication
- Magic links
- Organizations
- Multifactor authentication
- +1 more
- Pro$20/mo billed annually (includes 50K MRU + 1 enterprise connection)
- 50K monthly retained users included
- 1 enterprise SSO connection included
- Custom session lifetime
- Clerk branding removal
- Directory sync
- +5 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.
- Microsoft Entra ID
- Google Workspace
Authentik
- OAuth2
- OpenID Connect
- SAML2
- LDAP
- RADIUS
- SCIM
- WS-Federation
- Shared Signals Framework (SSF)
- Chrome Enterprise Device Trust
- Fleet
- Kerberos
- SAML
- OAuth2/OIDC
- Apple Business Manager
- Google Chrome
Clerk
Leader- Google OAuth
- GitHub OAuth
- Convex
- MCP
- Stripe
- Okta Workforce
- GitHub
Authentik or Clerk: 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.