Auth & Identity
Auth0 vs Clerk
Side by side
- Pricing model
- Auth0Per monthly active user
- ClerkHybrid
- Starting price
- Auth0$35/mo
- ClerkFreemium
- Free tier
- Auth0Yes — 25,000 monthly active users on the free plan
- ClerkYes
- Availability
- Auth0Generally available
- ClerkGenerally available
- Last checked
- Auth0Oct 11, 2026
- ClerkOct 12, 2026
| Fact | Auth0 | Clerk |
|---|---|---|
| Pricing model | Per monthly active user | Hybrid |
| Starting price | $35/mo | Freemium |
| Free tier | Yes — 25,000 monthly active users on the free plan | Yes |
| Availability | Generally available | Generally available |
| Last checked | Oct 11, 2026 | Oct 12, 2026 |
When each one fits
Choose Auth0 when…
Enterprise B2B apps needing SSO/SAML
Mature enterprise connections and compliance
Teams needing fine-grained authorization
RBAC and Actions cover complex authz
Auth0 strengths
Deep enterprise identity features
Huge ecosystem of connections/rules
Battle-tested at scale
Choose Clerk when…
Next.js and React developers who need auth, user management, and organization features with minimal setup
Look past Clerk if…
Teams that need fully self-hosted auth or already have mature auth infrastructure
Clerk strengths
Pre-built UI components
Multi-factor auth
Organization management
Social login
SAML SSO
Webhooks
Trade-offs
Known weaknesses from each tool’s record. Sourced ones link to where they came from.
Auth0
Essential enterprise features like Enterprise Connections and SCIM are not available on the Essentials or Professional plans.
The free tier requires credit card verification to enable custom domains.
Clerk
The Hobby plan restricts session lifetime to a fixed 7 days, preventing customization for security or UX requirements.
The Hobby plan limits application logs to 1 day of retention, hindering debugging and audit capabilities.
The Hobby plan restricts user impersonation to 5 per month, limiting developer testing and support workflows.
The B2B Authentication add-on limits organizations to 20 members by default, requiring an additional paid tier for larger teams.