Better Auth
Capability scores
Methodology →- Authentication
- 4.5
- SSO & Federation
- 4.5
- Authorization
- 4.0
- Lifecycle & Provisioning
- 3.5
- MFA & Passwordless
- 4.0
- Governance & Audit
- 3.0
- Developer Experience
- 5.0
- Deployment Flexibility
- 4.5
- Pricing Transparency
- 5.0
- Support & Ecosystem
- 3.0
Scored 0–5 against a published rubric. Independent analysis, no vendor sponsorship.
Overview
Better Auth is an open-source, framework-agnostic authentication library for TypeScript, launched in 2024 and adopted quickly by the JavaScript community. Like Auth.js, it is code you run inside your own application rather than a hosted identity provider, but it aims for broader framework support and a richer built-in feature set. It targets startups and product teams who want to own the auth layer in their own codebase. It is fully open source with no managed tier.
What it is good at
Developer experience is the standout. Better Auth offers a clean, type-safe API and works across many frameworks rather than being tied to one. Out of the box it covers email and password, social login, passkeys, two-factor authentication, sessions, and multi-tenancy through organizations, with a plugin system for extending behavior. Because it lives in your codebase, you keep full control of user data and avoid per-user pricing. Its momentum means active development and a growing plugin ecosystem.
Where it falls short
It is a library you build and operate, so there is no admin console, hosted service, or vendor SLA, and you own security hardening and maintenance. Enterprise governance, audit reporting, and broad legacy federation such as SAML are not the focus. As a 2024 project, its production track record is still short. Teams wanting a hosted IdP should look at Zitadel or Logto; those needing full federation at Keycloak.
Pricing
Free and open source. There is no license cost; your cost is the engineering time to integrate and operate it, which you can model with the TCO calculator.
Best for, and who should look elsewhere
A strong fit for TypeScript teams that want a modern, framework-agnostic auth library and prefer to own auth in their own stack. Look elsewhere if you want a hosted IdP service, turnkey enterprise governance, or a long production track record.
Bottom line
A fast-rising, developer-friendly open-source auth library for TypeScript teams that want full ownership of their authentication layer.
By SWI Community Team · Last evaluated 2026-06-19
Independent, community-driven analysis. No vendor sponsorship. Compiled from public research and community input and verified on a best-effort basis, so details may be incomplete or out of date. Scores are opinions, not advice. Trademarks belong to their owners; mention does not imply affiliation or endorsement. See the full disclaimer, or send corrections to community@startwithidentity.com.