Auth0 vs Clerk: Which Authentication Platform Should You Use?

A practical comparison of Auth0 and Clerk covering pricing, features, and migration steps for teams choosing an authentication provider.

Updated 2026-09 · 2026

Auth0

Enterprise-grade identity platform by Okta

Freeup to 25,000 MAU, paid plans from $35/mo

Strengths

+Mature platform with broad protocol support (SAML, OIDC, WS-Federation)
+Extensive marketplace of integrations and social connections (30+)
+Strong compliance coverage: SOC2, HIPAA, ISO27001, GDPR

Weaknesses

-Dashboard and setup process feel complex for small teams
-Pricing jumps sharply once you exceed free tier limits
-Enterprise SSO and advanced features gated behind pricier tiers

Best for

Enterprises needing SAML/SSO, strict compliance, or complex multi-tenant identity setups

Clerk

Drop-in auth and user management for modern web apps

Freeup to 10,000 MAU, then $25/mo + usage

Strengths

+Prebuilt UI components for sign-in, sign-up, and user profile
+Fast integration, especially with React and Next.js
+Built-in user management dashboard and organizations support

Weaknesses

-Newer platform with less enterprise track record than Auth0
-SAML/enterprise SSO requires add-on pricing, not included by default
-Smaller integration ecosystem than Auth0

Best for

Startups and small teams building with React or Next.js who want fast, low-friction auth

Feature Comparison

Feature	Auth0	Clerk
Free tier MAU limit	25,000 MAU	10,000 MAU
Prebuilt UI components	Universal Login (limited customization)	Full drop-in components (SignIn, SignUp, UserProfile)
Social login providers	30+	20+
SAML/Enterprise SSO	Yes, on paid tiers	Yes, as a paid add-on
Multi-factor authentication	Yes	Yes
Organizations/multi-tenancy	Yes, via custom rules	Yes, built-in
Next.js/React integration	SDK available, more setup	Native, first-class support
Custom domains	Paid plans only	Pro plan only
Webhooks	Yes	Yes
Passwordless/magic links	Yes	Yes
Compliance certifications	SOC2, HIPAA, ISO27001	SOC2
Pricing model	MAU tiers plus feature add-ons	Base fee plus per-MAU overage

The Verdict

Auth0 is the safer pick if you need SAML, deep compliance certifications, or enterprise-scale identity management. Clerk wins on speed of integration and developer experience, especially for teams building with React or Next.js who want auth working in an afternoon, not a week. For most small teams without hard enterprise SSO requirements, Clerk's free tier and simpler pricing make it the better starting point.

How to switch from Auth0 to Clerk

1Export users from Auth0 using the Management API's 'Create Export User' job or the dashboard's bulk export option, which generates an NDJSON file with user profiles and metadata.
2Request a bcrypt password hash export from Auth0 support so existing users don't have to reset passwords, or plan for forced resets if hashes aren't available.
3Import the exported user data into Clerk via its Backend API or migration script, mapping fields like email, user ID, and password hash format.
4Rebuild any Auth0 Actions or Rules logic as Clerk webhooks, session claims, or app-level middleware to preserve custom auth behavior.
5Replace Auth0 SDKs (auth0-react, auth0-spa-js) with Clerk's SDKs (@clerk/nextjs, @clerk/clerk-react) and swap in Clerk's prebuilt login/signup components.
6Test the full auth flow in staging, then cut over redirect URIs and DNS settings, notify your team, and decommission the Auth0 tenant once migration is confirmed stable.

Auth0 vs Clerk: common questions

How do I export my user data from Auth0?+

Auth0 provides a bulk user export via the Management API's 'Create Export User' job, which generates a downloadable NDJSON file containing user profiles and metadata. You trigger this from the dashboard or API, then poll the job status until the file is ready for download.

Will I lose my password hashes when switching to Clerk?+

Auth0 stores passwords as bcrypt hashes, which aren't included in the standard export and require a separate request to Auth0 support for a password hash export. Clerk supports importing bcrypt hashes during migration, but if you can't get them from Auth0, users will need to reset passwords on first login.

Is Clerk's free tier enough for a small team?+

Clerk's free tier covers up to 10,000 monthly active users and includes social login, MFA, and organizations, which is enough for most early-stage products. You'll need the Pro plan at $25/mo if you require custom domains or exceed the MAU limit.

Does Clerk support the same integrations Auth0 does?+

Clerk covers major social providers, webhooks, and framework SDKs, but has a smaller enterprise integration ecosystem than Auth0, including gated SAML support. Any custom logic built with Auth0 Actions or Rules will need to be rebuilt using Clerk's webhooks or middleware.

How does cost compare between Auth0 and Clerk as we grow?+

Auth0's pricing rises quickly past the 25,000 MAU free tier, and features like advanced MFA or B2B tooling push you into higher tiers starting around $240/mo. Clerk's per-MAU overage of about $0.02 beyond 10,000 users tends to scale more predictably, though both providers adjust pricing periodically so check current rates before committing.