Comparison

Authentik vs Clerk

On the evidence we track, Clerk leads this comparison with a composite score of 72/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Authentik full profile →Clerk full profile →

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Authentik54

★Clerk72

Attribute comparison across 2 tools
Attribute	Authentik	ClerkLeader
Vioscale score	54 / 100low · 40%	72 / 100medium · 71%
Pricing
Free tierpricing.free_tier	✓	✓
Modelpricing.model	commercial	freemium
Price levelpricing.price_level	high	low
Transparentpricing.transparent	✓	✓
Integrations
Countintegrations.count	10	5
Security
Disclosure policysecurity.disclosure_policy	✓	✓
Gdprsecurity.gdpr	-	✓
Hipaasecurity.hipaa	-	✓
Soc2security.soc2	-	✓
Vulnerabilitiessecurity.vulnerabilities	Count: 0 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=%40goauthentik%2Fprettier-config&per_page=100 · Last 12m: 0	-
Reliability
Sla pctreliability.sla_pct	-	99.99
Status pagereliability.status_page	✓	✓
Adoption
Dependent reposadoption.dependent_repos	0	-
Github starsadoption.github_stars	25,174	-
Activity
Commits last 30dactivity.commits_last_30d	100	-
Release
Historyrelease.history	20 items	-
Language
Primarylanguage.primary	Python	-
Market
Availabilitymarket.availability	Available worldwide · HQ US	Available worldwide

Score

Vioscale score

Authentik54 / 100low · 40%

Clerk72 / 100medium · 71%

Pricing

Free tier

Authentik✓

Clerk✓

Model

Authentikcommercial

Clerkfreemium

Price level

Authentikhigh

Clerklow

Transparent

Authentik✓

Clerk✓

Integrations

Count

Authentik10

Clerk5

Security

Disclosure policy

Authentik✓

Clerk✓

Gdpr

Authentik–

Clerk✓

Hipaa

Authentik–

Clerk✓

Soc2

Authentik–

Clerk✓

Vulnerabilities

AuthentikCount: 0 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=%40goauthentik%2Fprettier-config&per_page=100 · Last 12m: 0

Clerk–

Reliability

Sla pct

Authentik–

Clerk99.99

Status page

Authentik✓

Clerk✓

Adoption

Dependent repos

Authentik0

Clerk–

Github stars

Authentik25,174

Clerk–

Activity

Commits last 30d

Authentik100

Clerk–

Release

History

Authentik20 items

Clerk–

Language

Primary

AuthentikPython

Clerk–

Market

Availability

AuthentikAvailable worldwide · HQ US

ClerkAvailable worldwide

Capabilities

Feature-by-feature on the axes that matter for auth & identity software. “-” means undocumented, not absent.

Capability comparison for Auth & Identity Software
Capability	Authentik	Clerk
Deployment
Hosting	Cloud + self-hosted	Cloud only
Methods
Social login	-	✓
Passwordless	✓	-
Passkeys / WebAuthn	✓	-
Multi-factor auth	✓	✓
Enterprise
SAML SSO	✓	✓
SCIM provisioning	✓	-
B2B / multi-tenancy	✓	✓
Standards
OpenID Connect provider	✓	✓
Delivery
Hosted UI	-	Both
Access
RBAC	✓	✓
Licensing
Self-hostable OSS core	✓	✓

Deployment

Hosting

AuthentikCloud + self-hosted

ClerkCloud only

Methods

Social login

Authentik-

Clerk✓

Passwordless

Authentik✓

Clerk-

Passkeys / WebAuthn

Authentik✓

Clerk-

Multi-factor auth

Authentik✓

Clerk✓

Enterprise

SAML SSO

Authentik✓

Clerk✓

SCIM provisioning

Authentik✓

Clerk-

B2B / multi-tenancy

Authentik✓

Clerk✓

Standards

OpenID Connect provider

Authentik✓

Clerk✓

Delivery

Hosted UI

Authentik-

ClerkBoth

Access

RBAC

Authentik✓

Clerk✓

Licensing

Self-hostable OSS core

Authentik✓

Clerk✓

What each one is

The product in its own terms, so the numbers below have context.

Authentik

An open-source identity provider offering single sign-on, multi-factor authentication, role-based access control, and application integration capabilities. Organizations can deploy it on their own infrastructure as a self-hosted alternative to commercial solutions.

Independently observed

Clerk

Leader

A cloud-based authentication and user management platform offering prebuilt UI components, APIs, and dashboards to implement user sign-in, profile management, organizations, and billing features.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

Authentik

from $1000/moHybridFree tier

Free open source. Professional plans from $1,000/year with support. Enterprise from $20,000/year with dedicated support.

Open SourceFree
- Self-hosting on Docker, Kubernetes, Terraform
- OAuth2/OIDC
- SAML2
- LDAP
- RADIUS
- +6 more
Professional$1000/yr
EnterpriseContact sales

as of 2026-08-14verify ↗

Clerk

Leader

from $0.02/moSubscriptionFree tier

From $25/month. Free tier with 10,000 MAUs.

FreeFree
- Sign-in and sign-up
- Customizable sign-in pages
- Custom domain
- Profile management
- Social login
Pro$25/month plus $0.02 per additional MAU
- All Free features
- Remove Clerk branding
- Custom session duration
- Password complexity requirements
- User ban/unban
- +4 more
EnterpriseContact sales

as of 2026-08-14verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platform and deployment support comparison
Supports	Authentik	Clerk
WebPlatforms	✓	✓
iOSPlatforms	✗	✓
AndroidPlatforms	✗	✓
macOSPlatforms	✓	✗
WindowsPlatforms	✓	✗
LinuxPlatforms	✓	✗
CLIPlatforms	✓	✓
Cloud / SaaSDeployment	✓	✓
Self-hostedDeployment	✓	✗

Platforms

Web

Authentik✓

Clerk✓

iOS

Authentik✗

Clerk✓

Android

Authentik✗

Clerk✓

macOS

Authentik✓

Clerk✗

Windows

Authentik✓

Clerk✗

Linux

Authentik✓

Clerk✗

CLI

Authentik✓

Clerk✓

Deployment

Cloud / SaaS

Authentik✓

Clerk✓

Self-hosted

Authentik✓

Clerk✗

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

In common (1)

Google Workspace

Authentik

10 total - 9 not shared

OAuth2
OpenID Connect
SAML2
LDAP
RADIUS
SCIM
WS-Federation
Microsoft Entra ID
Shared Signals Framework (SSF)

Independently observed

Clerk

Leader

5 total - 4 not shared

Google OAuth
GitHub OAuth
Convex
MCP

Independently observed

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.