Auth.js vs Clerk
Learn how Auth.js and Clerk differ in their key features like authentication, enterprise auth, security, user management and compliance, so you can decide which of these authentication providers is best for you.
Auth.js

Feature Comparison
Clerk has significantly broader feature support than Auth.js, with 31 supported features versus 15. Clerk fully covers authentication and branding and more.
Auth.js comes with over 80 preconfigured OAuth providers (Google, GitHub, Twitter, Facebook, etc.) so users can sign in with existing accounts
Session settings allow adjusting `session.maxAge` and `updateAge` to control how long sessions last; default expiry is 30 days but can be configured for longer durations
| Auth.js | Clerk | |
|---|---|---|
Auth.js comes with over 80 preconfigured OAuth providers (Google, GitHub, Twitter, Facebook, etc.) so users can sign in with existing accounts | ||
Session settings allow adjusting `session.maxAge` and `updateAge` to control how long sessions last; default expiry is 30 days but can be configured for longer durations | ||
Compliance Comparison
Clerk offers broader coverage than Auth.js, supporting 2 certifications and regulatory frameworks compared to 0 for Auth.js. Since Auth.js is open source and does not include compliance certifications, you’ll need to manage compliance yourself.
| Compliance | Auth.js | Clerk |
|---|---|---|
