Better Auth
Better Auth is an open source authentication framework for TypeScript, with built-in sessions, 50+ authentication methods, multi-tenancy and enterprise features such as SSO and SAML. On 7 July 2026 the team announced that Better Auth is joining Vercel. The framework is free, and a managed dashboard and infrastructure service costs $20 a month on the Pro plan.
Facts checked on against the sources listed at the end of this page.
- Pricing
- Open sourcePaid from $20 a month for Pro (managed infrastructure)
- Open source
- YesMIT
A good fit for
- TypeScript apps that want auth in their own codebase and database
- Teams that need passkeys, SSO or multi-tenant organizations
- Projects that want to avoid a per-user fee from a hosted auth provider
- Apps that need to authenticate AI agents over MCP
Not a good fit for
- Non-TypeScript back ends: the framework is TypeScript
- Teams that want a fully hosted login service with no auth code to maintain
- Anyone who needs a statement on long-term pricing after the Vercel deal: the announcement gives none
Better Auth pricing
The framework is free and open source. Paid plans are for the managed infrastructure and dashboard: Starter is free, Pro is $20 a month and Enterprise is custom.
| Plan | Price | What you get |
|---|---|---|
| Starter | $0 a month | 1 dashboard seat, 10,000 audit logs a month with 1 day retention, 1,000 security detections a month and community support. |
| Pro | $20 a month | Unlimited dashboard seats, 20,000 audit logs a month then $0.0001 per event, 10,000 security detections a month then $0.001 per event, email support. Transactional email is $0.001 and SMS $0.09. Custom domain and log drain are $25 a month each. |
| Enterprise | Custom pricing | Audit logs, security detection, retention policies, SSO, directory sync, log drain, custom dashboard domain and dedicated Slack support. |
Prices in USD, checked on 6 October 2026. Current prices on better-auth.com.
Main features
- Credential auth
- Sessions, email verification and password reset built in.
- 50+ authentication methods
- Passkeys, magic links, API keys, JWTs and OAuth.
- Multi-tenancy
- Teams, roles, invitations and access control.
- Enterprise features
- SSO, SAML 2.0, SCIM and directory sync.
- Security tooling
- Bot detection, IP blocking and email validation.
- AI agent auth
- MCP auth and token exchange.
- Wide framework support
- Next.js, Nuxt, SvelteKit, Astro, Hono and 20+ others.
About Better Auth
Better Auth is a code-first authentication framework for TypeScript. It includes credential auth with sessions, email verification and password reset, and lists 50+ methods including passkeys, magic links, API keys, JWTs and OAuth.
It supports multi-tenancy with teams, roles and invitations, enterprise features such as SSO, SAML 2.0, SCIM and directory sync, security features such as bot detection and IP blocking, and MCP auth for AI agents. It works with Next.js, Nuxt, SvelteKit, Astro, Hono and 20+ other frameworks.
On 7 July 2026 Better Auth published "Better Auth is joining Vercel". The post says Vercel shares the commitment to keeping auth open source and framework and platform agnostic. It names two focuses: the Better Auth framework and the Agent Auth Protocol for securing agent workflows. The post also says Better Auth previously acquired Auth.js (NextAuth.js) and will keep maintaining it. The post does not give pricing details.
- Made by
- Better Auth
- Free plan
- The framework is free. The managed Starter plan is $0 a month with 1 dashboard seat.
- Available on
- TypeScript, Next.js, Nuxt, SvelteKit, Astro, Hono
Better Auth alternatives
Questions about Better Auth
Is Better Auth open source?
Yes. The pricing page says the framework is free and open source and that pricing is for its managed infrastructure.
Did Vercel acquire Better Auth?
On 7 July 2026 Better Auth announced it is joining Vercel. The post says Vercel shares the commitment to keeping auth open source and framework and platform agnostic.
How much does Better Auth cost?
The framework is free. The managed infrastructure has a free Starter plan, Pro at $20 a month and custom Enterprise pricing.
Does Better Auth maintain Auth.js?
According to the 7 July 2026 announcement, Better Auth previously acquired Auth.js (NextAuth.js) and will continue maintaining it.
Better Auth vs Clerk: what is the difference?
Better Auth is an open source framework you run in your own app. Clerk is a hosted authentication service.
Sources and links
Work on Better Auth? Claim this listing. Something wrong or out of date? Suggest a correction. Stats come from the public GitHub and npm APIs and update every day.