Better Auth vs NextAuth.js

At a Glance

Better Auth

NextAuth.js

Better Auth

No data available.

NextAuth.js

Pros

Completely free and open source — no MAU limits, no pricing tiers, no vendor lock-in regardless of how large your app grows+184
Deep Next.js integration means session is available server-side in getServerSideProps, API routes, and App Router with minimal setup+162

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Cons

The configuration is complex and the documentation has gaps that require reading source code or GitHub issues to resolve edge cases+158
Email magic link setup requires configuring your own SMTP provider and debugging delivery issues isn't covered in the docs+132
TypeScript types have historically been incomplete or incorrect and augmenting the session type requires boilerplate workarounds+107
No built-in UI components — you have to build every login page, profile page, and sign-out button yourself from scratch+94