Auth.js
The default auth solution for Next.js. Built into the framework, supports OAuth, credentials, and magic links with zero vendor lock-in.
Pricing
Free tier
Hybrid
Adoption
→StableLicense
Open Source
Data freshness
—Overview
What is Auth.js?
Authentication for the Web
Key differentiator
“The default auth solution for Next.js. Built into the framework, supports OAuth, credentials, and magic links with zero vendor lock-in.”
Capability profile
Strength Radar
Honest assessment
Strengths & Weaknesses
↑ Strengths
Catalog data
Catalog data
Catalog data
↓ Weaknesses
Catalog data
Catalog data
Fit analysis
Who is it for?
✓ Best for
Next.js apps wanting total control over auth
Recommended use case
Developers who don't want a 3rd party auth vendor lock-in
Recommended use case
Simple social logins (Google, GitHub)
Recommended use case
✕ Not a fit for
Teams wanting a managed 'User Dashboard' out of the box
Not recommended
Complex B2B multi-tenant permission sytems (you build it yourself)
Not recommended
Cost structure
Pricing
Free Tier
Available
Completely Free (Self-hosted lib)
Starts at
Free
Model
Hybrid
Enterprise
None
Performance benchmarks
How Fast Is It?
Next step
Get Started with Auth.js
Step-by-step setup guide with code examples and common gotchas.