NextAuth.js (Auth.js) vs Clerk(2026)
NextAuth.js (Auth.js) is better for teams that need free and open source. Clerk is the stronger choice if fastest setup. NextAuth.js (Auth.js) is free and Clerk is freemium (from $25/month).
Full feature breakdown, pricing details, and pros & cons below.
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NextAuth.js (Auth.js)
NextAuth.js is a complete authentication library for Next.js applications with adapters for 60+ databases and providers.
Visit NextAuth.js (Auth.js)Clerk
Clerk is a complete authentication and user management solution with pre-built UI components.
Starting at $25/month
Visit ClerkHow Do NextAuth.js (Auth.js) and Clerk Compare on Features?
| Feature | NextAuth.js (Auth.js) | Clerk |
|---|---|---|
| Pricing model | free | freemium |
| Starting price | Free | $25/month |
| 40+ OAuth providers | ✓ | — |
| Database adapters | ✓ | — |
| JWT sessions | ✓ | — |
| Email magic links | ✓ | — |
| Credentials auth | ✓ | — |
| Prebuilt UI components | — | ✓ |
| Social logins | — | ✓ |
| MFA | — | ✓ |
| Organizations/teams | — | ✓ |
| JWT templates | — | ✓ |
| User management dashboard | — | ✓ |
NextAuth.js (Auth.js) Pros and Cons vs Clerk
N
NextAuth.js (Auth.js)
+Free and open source
+No vendor lock-in
+Highly flexible
+Full control
−More setup required
−No prebuilt UI
−Docs can be confusing
C
Clerk
+Fastest setup
+Beautiful prebuilt components
+Organizations support
+Excellent Next.js integration
−Pricey at scale (per MAU)
−Vendor lock-in risk
−Less control vs Auth.js
Should You Use NextAuth.js (Auth.js) or Clerk?
Choose NextAuth.js (Auth.js) if…
- •Free and open source
- •No vendor lock-in
- •Highly flexible
Choose Clerk if…
- •Fastest setup
- •Beautiful prebuilt components
- •Organizations support