Why It Matters
Better Auth takes a plugin-first approach: start with email/password and social login, then add 2FA, passkeys, organizations, SSO, SAML, SCIM, or API keys through official plugins — all self-hosted on your database. The managed infrastructure add-on provides dashboards, audit logs, and security detection without the core auth being cloud-dependent.
What It Actually Does
Every capability explained in plain English — so you know exactly how Better Auth handles authentication, user management, and security for your product.
50+ Official Plugins
Modular plugin ecosystem: Two Factor, Passkey, Magic Link, Email OTP, Organization, Admin, SSO, SAML, SCIM, JWT, API Keys, Bearer, Anonymous Auth, Phone Number, One Tap, Multi-Session, OIDC Provider, Stripe, Polar, and more. Each plugin is a few lines of config.
Need two-factor auth? Add one plugin. Need team management? Another plugin. Better Auth gives you exactly the features you need without bloating your app with things you don't.
Bring Your Own Database
Connect any database via direct drivers (PostgreSQL, MySQL, SQLite, MongoDB, LibSQL) or ORM adapters (Prisma, Drizzle, Mongoose, TypeORM, Kysely, MikroORM). Automatic schema management and migrations.
Your user data stays in your database — not a third-party cloud. Use whatever database you're already running. Better Auth sets up the tables automatically.
Organizations & Multi-Tenancy
Built-in organization plugin with teams, custom roles, member invitations, and fine-grained access control. Full RBAC per organization with permission inheritance.
Build SaaS products where companies sign up and manage their own teams. Roles, invitations, and permissions per organization — all handled by the plugin.
Enterprise SSO, SAML & SCIM
Enterprise plugins for SAML 2.0 SSO, OIDC SSO, and SCIM user provisioning/directory sync. Connect to Okta, Azure AD, Google Workspace, and any SAML/OIDC identity provider.
Enterprise customers can log in through their corporate identity system. Better Auth supports the same SSO standards as platforms 10x its price.
AI Agent Authentication
Purpose-built MCP server auth, async auth flows, token exchange, and agent-to-agent delegation. First-class support for AI coding assistants via MCP server, Claude Code skills, and Cursor rules.
As AI agents become more common, they need secure authentication too. Better Auth handles auth for AI agents alongside human users — a feature no other auth library offers natively.
Security Infrastructure (Managed)
Optional managed security layer: bot detection, brute force protection, disposable email blocking, IP reputation scoring, behavioral analysis, geo restrictions, and breached password checking — all running in real time.
An optional upgrade that adds enterprise security monitoring on top of your self-hosted auth — blocking bots, suspicious IPs, and known compromised passwords automatically.
Passwordless & Passkeys
Plugins for magic links, email OTP, phone number OTP, and WebAuthn/passkeys. Each method includes built-in rate limiting and abuse prevention.
Users can log in without passwords — via email link, one-time code, or biometrics. Each method is a plugin you add when you need it.
AI-Native Developer Experience
Ships with MCP server, Claude Code skills, and Cursor rules. AI assistants can configure auth, add providers, and manage plugins through natural language. Declarative TypeScript config makes AI-driven development seamless.
Your AI coding assistant understands Better Auth natively. Tell it to 'add Google login and 2FA' and it writes the configuration for you.
Why Teams Choose Better Auth
The key advantages that make Better Auth stand out for authentication and user management.
Truly Open Source (MIT)
Full source code, MIT-licensed, self-hosted on your database. No vendor lock-in, no per-user pricing, no cloud dependency. You own your auth completely.
Plugin-First Architecture
50+ official plugins for every auth need — 2FA, passkeys, magic links, organizations, SSO, SAML, SCIM, API keys, and more. Add features without bloating your codebase.
AI-Native Auth
First and only auth library with native AI agent authentication, MCP server auth, Claude Code skills, and Cursor rules. Purpose-built for the AI era.
Bring Your Own Database
Direct driver support for PostgreSQL, MySQL, SQLite, MongoDB, and LibSQL. ORM adapters for Prisma, Drizzle, Mongoose, TypeORM, Kysely, and MikroORM. Your data stays in your database.
Massive Community
26K+ GitHub stars, 746+ contributors, 22M+ annual npm downloads. One of the fastest-growing auth projects in the JavaScript ecosystem.
Framework Agnostic
First-class support for Next.js, Nuxt, SvelteKit, Astro, Remix, SolidStart, TanStack Start, Hono, Express, and 14+ more frameworks. Works anywhere TypeScript runs.
Under the Hood
A plain-language breakdown of what Better Auth can and can't do — so you know exactly what you're getting.
Email & Password
Traditional username/password login with automatic password hashing and breach detection.
Magic Links
Passwordless login via email — click a link insted of typing a password.
Social SSO
One-click login with Google, GitHub, Apple, and other social accounts your users already have.
Passkeys / WebAuthn
Biometric login (fingerprint, Face ID) — the most secure and convenient authentication method available.
Passwordless Login
SMS codes, email OTPs, and other methods that eliminate passwords entirely.
Multi-Factor Auth (MFA)
Require a second verification step — even if a password is compromised, the account stays protected.
TOTP (Authenticator Apps)
Support for Google Authenticator, Authy, and other time-based one-time password apps.
SMS OTP
One-time passcodes sent via text message for verification or as a second factor.
Bot Protection
Machine-learning detection to block fake sign-ups, disposable emails, and automated abuse.
Rate Limiting
Automatic throttling of login attempts to prevent brute-force attacks.
Enterprise SSO
Let enterprise customers log in through their corporate identity provider (Okta, Azure AD, Google Workspace).
SAML 2.0
Industry-standard protocol for enterprise single sign-on — required by most large organizations.
OpenID Connect (OIDC)
Modern identity layer on top of OAuth 2.0 — used by Google, Microsoft, and most identity providers.
Audit Logs
A record of who signed in, when, and from where — essential for compliance and security monitoring.
User Management Dashboard
Admin panel to view, search, edit, ban, and manage all your users without writing code.
Organization Management
Multi-tenant team workspaces — create orgs, invite members, assign roles, and manage billing per org.
Role-Based Access Control
Define custom roles (admin, editor, viewer) with fine-grained permissions for who can do what.
Multi-Tenancy
Isolate data and configuration per organization — essential for B2B SaaS products.
User Impersonation
Log in as any user to debug issues or provide support — without asking for their password.
Pre-Built UI Components
Drop-in sign-up, sign-in, profile, and org management components — ship auth UI in minutes, not weeks.
Custom UI / Headless
Build your own login UI from scratch using the API directly — full design freedom.
Webhooks
Real-time notifications when users sign up, update profiles, or change organizations.
Session Management
Automatic token rotation, device tracking, and configurable session lifetimes.
Machine-to-Machine (M2M)
API keys and service tokens for server-to-server communication without a human user.
Custom Domains
Host the auth flow on your own domain — no redirects to a third-party login page.
Custom Claims / Metadata
Attach arbitrary data to user tokens — roles, plan type, feature flags — accessible in every API request.
Full-Stack Frameworks
Frameworks where the SDK handles both server and client — middleware, SSR helpers, and edge runtime.
Frontend Libraries
Client-side SDKs for building custom auth UIs in single-page apps and browser extensions.
Backend SDKs
Server-side libraries for token verification, user management, and webhook handling.
Mobile SDKs
Native and cross-platform SDKs for iOS, Android, and React Native apps.
Deployment Model
Where the service runs. Cloud-only = fully managed; Self-hosted = you run it; Hybrid = both options.
License
Whether the code is open source or proprietary. Open source means no vendor lock-in.
Founded
When the company or project was started — indicates maturity and track record.
Maintained By
The company or community behind the project.
Social Login Providers
One-click social sign-on providers supported by Better Auth — let your users log in with accounts they already have.
17 providers supported. Custom OAuth2/OIDC providers can also be configured.
Best For
Product types and use cases where Better Auth delivers the most value — based on its feature set, compliance story, and multi-tenant capabilities.
AI & Developer Tools
First-class AI agent authentication (MCP server auth), cursor rules, and Claude Code skills make Better Auth the go-to for AI-native products. Used by OpenAI and Databricks.
SaaS & Startups
Zero auth cost with full enterprise features via plugins. Self-hosted means no per-user pricing surprises. Organization plugin handles multi-tenancy from day one.
Open-Source Projects
MIT-licensed, self-hosted, and database-agnostic. Perfect for open-source products that need auth without forcing users into a specific provider or cloud dependency.
B2B Platforms
Organization, SSO, SAML, and SCIM plugins cover B2B requirements. However, there is no pre-built admin dashboard for end-users — you build the UI, Better Auth handles the backend.
Healthcare & Finance
Self-hosted model gives full data sovereignty. However, Better Auth itself does not hold SOC 2 or HIPAA certifications — your infrastructure team owns compliance responsibility.
Enterprise (Large Orgs)
All enterprise auth features exist as plugins, but there is no managed support, SLA guarantees, or dedicated customer success team. Best suited for teams with strong engineering capabilities.
Pricing Plans
Better Auth pricing breakdown — so you know exactly what you're paying for and which plan fits your product.
Open Source
- Unlimited users
- All authentication methods
- 50+ plugins (2FA, passkeys, SSO, etc.)
- 40+ social providers
- Organization & multi-tenancy
- Enterprise SSO, SAML & SCIM
- Any database (PostgreSQL, MySQL, SQLite, MongoDB)
- Community support
Starter
Most Popular- Everything in Open Source
- User management dashboard
- 1 dashboard seat
- 10K audit logs/month
- 1-day audit log retention
Pro
- Everything in Starter
- Unlimited dashboard seats
- 100K audit logs/month
- 7-day audit log retention
- Security detection (1K/month)
- Transactional email & SMS
- Email templates & abuse protection
Enterprise
- Everything in Pro
- Self-service SSO
- 500K+ audit logs/month
- 30-day audit log retention
- Log drain (SIEM export)
- Dashboard RBAC
- Implementation assistance
- Email & Slack support
Pricing is approximate and may vary. Visit Better Auth's pricing page for the latest details.
Honest Trade-Offs
No technology is perfect. Here are the real limitations of Better Auth — so you make an informed decision, not a surprised one.
| Trade-Off | Impact | Details |
|---|---|---|
| No Pre-Built UI Components | High | Better Auth is headless — it provides backend auth logic only. You must build every login form, user profile, and organization management UI from scratch. For teams that want drop-in components, this is significant additional work. |
| Young Project (Founded 2024) | High | Despite rapid growth, Better Auth is much newer than Auth0 (2013) or even Clerk (2020). Long-term stability, backwards compatibility guarantees, and enterprise support maturity are still being established. |
| Self-Hosting Operational Burden | Medium | You're responsible for database backups, security patches, uptime monitoring, and scaling. No SLA guarantees unless you build that infrastructure yourself or use the managed add-ons. |
| TypeScript Only | Medium | Better Auth is a TypeScript/JavaScript library. Teams using Python, Ruby, Java, Go, or .NET as their primary backend cannot use it — unlike Auth0 or WorkOS which provide SDKs for every language. |
| Plugin Fragmentation Risk | Low | With 50+ plugins, some combinations may have edge-case conflicts or incomplete documentation. The plugin ecosystem is growing fast but testing every combination at scale takes time. |
| No Built-In User Impersonation | Low | Unlike Clerk or Auth0, there is no first-party user impersonation feature for support teams. You would need to build this capability yourself if your ops team requires it. |
Better Auth is headless — it provides backend auth logic only. You must build every login form, user profile, and organization management UI from scratch. For teams that want drop-in components, this is significant additional work.
Despite rapid growth, Better Auth is much newer than Auth0 (2013) or even Clerk (2020). Long-term stability, backwards compatibility guarantees, and enterprise support maturity are still being established.
You're responsible for database backups, security patches, uptime monitoring, and scaling. No SLA guarantees unless you build that infrastructure yourself or use the managed add-ons.
Better Auth is a TypeScript/JavaScript library. Teams using Python, Ruby, Java, Go, or .NET as their primary backend cannot use it — unlike Auth0 or WorkOS which provide SDKs for every language.
With 50+ plugins, some combinations may have edge-case conflicts or incomplete documentation. The plugin ecosystem is growing fast but testing every combination at scale takes time.
Unlike Clerk or Auth0, there is no first-party user impersonation feature for support teams. You would need to build this capability yourself if your ops team requires it.