Auth0 vs NextAuth.js: Which is Better in 2026?
Choosing between Auth0 and NextAuth.js? Both are popular auth tools. Below we compare them on pricing, free tiers, features, and pros & cons so you can pick the right fit for your stack.
Quick verdict
Both Auth0 and NextAuth.js are strong auth choices. The right pick comes down to your specific feature needs, existing stack, and team preferences. In our catalog, NextAuth.js rates slightly higher (4.7 vs 4.5 out of 5).
Auth0 vs NextAuth.js — Side by Side
| Auth0 | NextAuth.js | |
|---|---|---|
| Category | Auth | Auth |
| Pricing | Free · paid from $35/mo | Free |
| Starting price | Free tier available | Free tier available |
| Free tier | ||
| Rating | 4.5 | 4.7 |
| Best for | Auth — authentication, authorization | Auth — authentication, nextjs |
Pros & Cons
- Enterprise-ready authentication
- Highly scalable and reliable
- Strong MFA and security features
- Supports complex SSO and org models
- Wide ecosystem and integrations
- Can get expensive at scale
- Pricing complexity with MAU-based billing
- Less flexible than self-hosted auth solutions
- Completely free and open source
- Deep integration with Next.js
- No vendor lock-in
- Highly customizable auth flows
- Strong security defaults
- Requires backend setup and maintenance
- No built-in admin dashboard
- Not beginner-friendly compared to hosted auth services
Key Features Compared
Auth0
- Up to 25,000 monthly active users (MAUs)
- Custom domains
- Passwordless authentication (Email, SMS, Passkeys, OTP)
- Unlimited social connections
- Basic security features
- Supports any application type
NextAuth.js
- Unlimited users
- OAuth providers (Google, GitHub, GitLab, etc.)
- Email / passwordless authentication
- Credentials-based authentication
- JWT and database sessions
- Built-in CSRF protection
Choose Auth0 if…
- You want a free tier to validate before paying.
- Enterprise-ready authentication
- Highly scalable and reliable
- Strong MFA and security features
Choose NextAuth.js if…
- You want a free tier to validate before paying.
- Completely free and open source
- Deep integration with Next.js
- No vendor lock-in
Frequently Asked Questions
Is Auth0 better than NextAuth.js?⌄
Both Auth0 and NextAuth.js are strong auth choices. The right pick comes down to your specific feature needs, existing stack, and team preferences. In our catalog, NextAuth.js rates slightly higher (4.7 vs 4.5 out of 5).
What is the difference between Auth0 and NextAuth.js?⌄
Auth0 — Enterprise-grade authentication and authorization platform with advanced security, SSO, and identity management. NextAuth.js — Open-source authentication solution for Next.js with built-in providers, sessions, and security best practices. Both are auth tools; the comparison table above breaks down pricing, free tiers, and what each is best for.
Auth0 vs NextAuth.js: which is cheaper?⌄
Auth0 pricing: Free · paid from $35/mo. NextAuth.js pricing: Free. Confirm current pricing on each tool's official site, as plans change.
Which is rated higher, Auth0 or NextAuth.js?⌄
In our catalog, Auth0 rates 4.5 out of 5 and NextAuth.js rates 4.7 out of 5, so NextAuth.js has a slight edge on reviews.
See more options in our guide to the best auth tools for startups.
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