# Better Auth: what AI models say (September 2026)

Source: Memetik Index, https://www.memetik.ai/vendors/better-auth
Website: https://better-auth.com

Better Auth was named in 13 of 50 AI answers across 1 category. Best position: Authentication for developers, 26% answer share, ranked #11, named first in 2%.

## What Better Auth is

Better Auth is an authentication and authorisation framework for developers building TypeScript applications. The framework is free and open source, while its managed infrastructure is available on a free Starter plan, a $20-per-month Pro plan and custom Enterprise pricing.

It provides email and password authentication, user-account management and session handling, alongside social sign-on providers. Built-in features and plugins add two-factor authentication, passkeys, multi-tenancy and single sign-on. For self-hosted Better Auth, managed infrastructure provides a dashboard, audit logs and security features.

Pricing: The framework is free and open source; managed infrastructure has a free Starter plan, a $20/month Pro plan, and custom Enterprise pricing.
(From Better Auth's own website, read 2026-09-02.)

## By category

| Category | Rank | Answer share | Named first | Models |
|---|---|---|---|---|
| Authentication for developers (https://www.memetik.ai/index/developer-auth) | #11 of 17 | 26% | 2% | GPT-5.6 Sol, ChatGPT, GPT-5.6 Luna, Claude Opus 5, Claude, Claude Fable 5, Gemini, Gemini 3.5 Flash, Perplexity, Sonar Reasoning Pro |

## What the models said

> "If you want full ownership, no vendor lock-in, and don't mind writing more code: go with Auth.js or Better-Auth."
> — Claude, Authentication for developers

> "Better Auth: best when you want full control, your own database/infra, and a more startup-friendly self-hosted model for a new greenfield app."
> — Perplexity, Authentication for developers

> "Reportedly the Auth.js maintainers themselves now recommend Better Auth for new projects."
> — Claude Opus 5, Authentication for developers

> "Still very flexible, but recent evaluations suggest it’s best when migrating existing codebases, while new projects should consider Better Auth instead."
> — Sonar Reasoning Pro, Authentication for developers