Better Auth
Build authentication into applications with Better Auth, an authentication framework.
About Better Auth
Better Auth is an authentication framework for TypeScript that you add to your own application. Your auth setup lives in code, and it works with frameworks such as Next.js, Nuxt, SvelteKit, Astro and Hono. It includes login methods, multi-tenancy, enterprise SSO and support for AI agent authentication. Optional managed infrastructure adds a dashboard, audit logs and security detection for a self-hosted setup.
Key features
- Works with Next.js, Nuxt, SvelteKit, Astro, Hono and 20+ more frameworks.
- Built-in credential auth with sessions, email verification and password reset.
- Social sign-on with Google, GitHub, Apple, Discord and other providers.
- Passkeys, magic links, API keys, JWTs and other authentication methods.
- Multi-tenancy with teams, roles, invitations and access control.
- Enterprise options including SSO, SAML 2.0, SCIM and directory sync.
- MCP auth, token exchange and agent delegation for AI agent workflows.
- Optional managed infrastructure with a dashboard, audit logs and security detection.
Best for: Developers who want to build authentication into their own TypeScript applications, from small projects to large apps.
Better Auth at a glance
- Website
- better-auth.com
- Category
- Privacy & Security › Security Tools
- Type
- App
- Pricing
- Freemium
- Platforms
- Web
- Details verified
- Oct 22, 2026 · Official source
- Open source
- Yes
- Language
- English
- Last checked
- Oct 5, 2026 · Online when checked
- Listed
- Oct 5, 2026
Guides for Security Tools
Better Auth alternatives
Tools and sites you could use instead, ranked by how closely they match.
Manage two-factor authentication codes with OTP Auth, an iOS app listed on the App Store.
FreemiumPick
24 alternatives
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.
Supabase provides Postgres databases and application backend services for building software projects.
Snyk helps software teams identify and manage security risks in code and dependencies while building AI-enabled applications.
Facia provides deepfake and liveness detection for identity verification and authentication.
The Metasploit cheat sheet collects command references for working with the framework.
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Better Auth FAQ
Is Better Auth open source?
The framework is free and open source. Managed infrastructure is optional and is priced separately.
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