vioscale
Comparison

Auth.js (NextAuth.js) vs Better Auth

On the evidence we track, Better Auth leads this comparison with a composite score of 72/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Auth.js (NextAuth.js) full profile →Better Auth full profile →
Machine formatsJSONMarkdownGraphQLor send Accept: application/json
Auth.js (NextAuth.js)55
★Better Auth72
Score
Vioscale score
Auth.js (NextAuth.js)55 / 100low · 47%
Better Auth72 / 100low · 37%
Pricing
Free tier
Auth.js (NextAuth.js)✓
Better Auth✓
Model
Auth.js (NextAuth.js)commercial
Better Authcommercial
Price level
Auth.js (NextAuth.js)free
Better Authmid
Transparent
Auth.js (NextAuth.js)–
Better Auth✓
Integrations
Count
Auth.js (NextAuth.js)1
Better Auth21
Security
Disclosure policy
Auth.js (NextAuth.js)✓
Better Auth–
Scorecard
Auth.js (NextAuth.js)6
Better Auth–
Vulnerabilities
Reliability
Status page
Auth.js (NextAuth.js)✓
Better Auth–
Adoption
Dependent repos
Auth.js (NextAuth.js)6,629
Better Auth210
Github stars
Auth.js (NextAuth.js)28,345
Better Auth29,704
Package downloads weekly
Auth.js (NextAuth.js)5,865,070
Better Auth7,379,198
Activity
Commits last 30d
Auth.js (NextAuth.js)7
Better Auth100
Release
History
Auth.js (NextAuth.js)20 items
Better Auth20 items
License
Spdx
Auth.js (NextAuth.js)ISC
Better AuthMIT
Language
Primary
Auth.js (NextAuth.js)TypeScript
Better AuthTypeScript
Market
Availability
Auth.js (NextAuth.js)–
Better AuthAvailable worldwide · Popular in US

Capabilities

Feature-by-feature on the axes that matter for auth & identity software. “-” means undocumented, not absent.

Deployment
Hosting
Auth.js (NextAuth.js)Self-hosted only
Better AuthCloud + self-hosted
Methods
Social login
Auth.js (NextAuth.js)✓
Better Auth✓
Passwordless
Auth.js (NextAuth.js)-
Better Auth✓
Passkeys / WebAuthn
Auth.js (NextAuth.js)-
Better Auth✓
Multi-factor auth
Auth.js (NextAuth.js)-
Better Auth✓
Enterprise
SAML SSO
Auth.js (NextAuth.js)-
Better Auth✓
SCIM provisioning
Auth.js (NextAuth.js)-
Better Auth✓
B2B / multi-tenancy
Auth.js (NextAuth.js)-
Better Auth✓
Standards
OpenID Connect provider
Auth.js (NextAuth.js)-
Better Auth✓
Delivery
Hosted UI
Auth.js (NextAuth.js)Headless
Better AuthHeadless
Access
RBAC
Auth.js (NextAuth.js)-
Better Auth✓
Licensing
Self-hostable OSS core
Auth.js (NextAuth.js)✓
Better Auth✓

What each one is

The product in its own terms, so the numbers below have context.

Auth.js (NextAuth.js)

An open-source authentication solution that integrates with web frameworks to provide OAuth-based authentication with customizable sign-in pages.

Independently observed

Better Auth

Leader

Better Auth is an open-source framework for building authentication directly into TypeScript applications using code-based configuration. It provides 50+ authentication methods and integrates with 20+ JavaScript frameworks, supporting features like social login, passkeys, multi-factor authentication, and enterprise capabilities such as SAML and SCIM. Optional managed infrastructure adds audit logging, security monitoring, and user management dashboards.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

Auth.js (NextAuth.js)

Open sourceFree tier

Free and open source

as of verify ↗

Better Auth

Leader
from $20/moHybridFree tier

Free tier available. Pro from $20/month. Enterprise custom pricing.

  • StarterFree
    • User management
    • Audit log
    • Security detection
    • Abuse protection
    • Email templates
    • +1 more
  • Pro$20/month base, plus per-usage overages
    • Unlimited seats
    • User management
    • Audit log with overage
    • Security detection with overage
    • Transactional Email & SMS
    • +5 more
  • EnterpriseContact sales
    • Custom usage and retention
    • Custom domain for Dashboard
    • Log drain
    • Dashboard RBAC
    • Custom MSA and DPA
    • +2 more
as of verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platforms
Web
Auth.js (NextAuth.js)✓
Better Auth✓
Deployment
Cloud / SaaS
Auth.js (NextAuth.js)✗
Better Auth✓
Self-hosted
Auth.js (NextAuth.js)✓
Better Auth✓

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

In common (1)
  • GitHub

Auth.js (NextAuth.js)

1 total - 0 not shared
  • GitHub
Independently observed

Better Auth

Leader
21 total - 20 not shared
  • Next.js
  • Nuxt
  • SvelteKit
  • Astro
  • Hono
  • Google
  • Apple
  • Discord
  • Passkey Authentication
  • Magic Link Authentication
  • Email OTP Authentication
  • Two Factor Authentication
  • Username Authentication
  • One Tap Authentication
  • Phone Number Authentication
  • Anonymous Authentication
  • Bearer Authentication
  • Generic OAuth
  • One Time Token Authentication
  • SIWE Authentication
Independently observed

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.