Back to Tools
Updated May 2, 2026Auth Comparison

NextAuth.js vs Lucia Comparison

A detailed comparison of NextAuth.js and Lucia.

N

NextAuth.js

Authentication for Next.js.

Primary Task

Next.js Auth

Pricing

Open Source

Key Features

  • OAuth
  • Email/Passwordless
  • Own your data
L

Lucia

Authentication, simple and clean.

Primary Task

Auth Library

Pricing

Open Source

Key Features

  • Session Management
  • TypeScript-first
  • Database Agnostic

At a Glance

FeatureNextAuth.jsLucia
Primary TaskNext.js AuthAuth Library
Pricing ModelOpen SourceOpen Source
Founded20162022
User LimitsN/AN/A
B2B/B2C FocusN/AN/A
MFAN/AN/A
Social LoginN/AN/A
SDK SupportN/AN/A

Pros & Cons

N

NextAuth.js

Strengths

  • Open Source
  • Own your data
  • Deep Next.js integration

Limitations

  • Maintenance burden
  • Database adapter complexity
  • Less 'batteries included'
L

Lucia

Strengths

  • Lightweight
  • Type-safe
  • Database flexibility

Limitations

  • DIY approach
  • Smaller community
  • More setup required
Final Decision

The Verdict

Both tools are excellent. Here's how to choose the right one for your project.

N

Choose NextAuth.js

Best for

  • Strong OAuth capabilities
  • Open Source pricing model
  • Next.js Auth workflows
L

Choose Lucia

Best for

  • Session Management focused projects
  • Open Source approach
  • Auth Library use cases

Frequently Asked Questions

What is the main difference between NextAuth.js and Lucia?

NextAuth.js is primarily a Next.js Auth, while Lucia is focused on Auth Library. Authentication for Next.js. Authentication, simple and clean.

Is NextAuth.js open source?

Yes, NextAuth.js is open source.

Is Lucia open source?

Yes, Lucia is open source.

Which is better for Auth?

It depends on your specific needs. NextAuth.js is often chosen for its oauth capabilities, while Lucia is popular for its session management features.