NextAuth.js: Pricing, Features & Alternatives
NextAuth.js (now Auth.js) is a flexible, open-source authentication library for Next.js applications. It supports OAuth providers, email/passwordless login, credentials-based auth, JWT and database sessions, and integrates with modern full-stack apps.
Who it’s for: Next.js projects already running NextAuth.js / Auth.js that want free, self-hosted sessions and OAuth sign-in.
Category
Auth
Pricing
Free tier available
Free tier
Yes
Best for
Auth: Next.js, self-hosted, open source
NextAuth.js at a Glance
- What it is
- Open-source auth library
- Who hosts it
- Runs inside your app
- How you pay
- Free
- Free access
- Free, no user limit
- Enterprise SSO
- OAuth and OIDC providers
Checked November 2026 against NextAuth.js, Auth.js.
NextAuth.js Pricing Plans (2026)
| Plan | Price |
|---|---|
| Open SourcePopular | Free |
| Auth.js Cloud (Optional) | Usage-based / Custom |
Pricing summary: Free · paid plans by quote. Always confirm current pricing on the official site.
Key NextAuth.js Features
- Free and open source; runs inside your app with sessions stored in cookies or your own database
- OAuth providers, email magic links and credentials sign-in
- Supports Next.js, SvelteKit, Express and Qwik
- Now part of Better Auth: both next-auth.js.org and authjs.dev say so, and the footer reads “Auth.js © Better Auth Inc.”
- No hosted dashboard or paid plan on the project’s own pages
Pros
- +Completely free and open source
- +Deep integration with Next.js
- +No vendor lock-in
- +Highly customizable auth flows
- +Strong security defaults
Cons
- −Requires backend setup and maintenance
- −No built-in admin dashboard
- −Not beginner-friendly compared to hosted auth services
Best NextAuth.js Alternatives
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NextAuth.js Compared
NextAuth.js FAQ
What is NextAuth.js used for?⌄
NextAuth.js is a auth tool. Open-source authentication solution for Next.js with built-in providers, sessions, and security best practices.
Is NextAuth.js free?⌄
Yes. NextAuth.js has a free tier you can start with, and paid plans for more usage and features.
How much does NextAuth.js cost?⌄
NextAuth.js is free to use, with usage-based pricing on some features.
What are the best NextAuth.js alternatives?⌄
Popular NextAuth.js alternatives include Clerk, Better Auth, SuperTokens, Auth0, Firebase Authentication. Compare pricing and features on our NextAuth.js alternatives page.
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