Lucia
vs
Better Auth

Lucia vs Better Auth

How do Lucia and Better Auth compare? Here are the facts side by side: pricing, platforms, open-source status and what each one is for.

Directory details: Lucia and Better Auth
Directory detailLuciaBetter Auth
What it is
Lucia was deprecated in March 2025. The website was updated in July 2026 and points to code/auth_session.ts as a single-file replacement for the NPM package and to the Auth Book for auth information.
Build authentication into applications with Better Auth, an authentication framework.
Website
Type
Website
App
Topic
Pricing
Not confirmed
Freemium
Platforms
Web
Web
Open source
Not stated
Yes
Language
English
English
Alternatives

Other options to consider

Sites similar to both Lucia and Better Auth.