Auth0 vs WorkOS
Auth0 is an identity and access management platform owned by Okta that adds login, social sign-in, SSO and MFA for consumer and business apps, with a free plan up to 25,000 monthly active users. WorkOS provides APIs for enterprise features that B2B software companies are asked for, namely single sign-on, directory sync, audit logs and its AuthKit user management product, which is free up to 1 million monthly active users. Choose Auth0 for broad consumer and B2B identity, and WorkOS if selling to enterprises and wanting SSO and SCIM priced per connection.
Facts checked on against the official sources listed at the end. Usage numbers update daily.
Best for
Consumer and business apps wanting a mature all-round identity platform
Free plan. Paid from $35 a month for Essentials (up to 500 monthly active users).
Best for
B2B SaaS needing enterprise SSO, SCIM and audit logs as customers demand them
Free plan. Paid from $125 a month per connection for Single Sign-On or Directory Sync.
Auth0 vs WorkOS at a glance
| Compared on | Auth0 | WorkOS |
|---|---|---|
| Core focus | General identity and access management | Enterprise-readiness features for B2B software |
| Free user allowance | Up to 25,000 monthly active users | AuthKit free up to 1 million monthly active users |
| Enterprise SSO pricing | Included in higher feature tiers by monthly active users | Per connection, $125 a month each |
| Directory sync | Available on enterprise arrangements | SCIM directory sync as a per-connection product |
| Audit logs | Log streaming on Essentials and above | Audit Logs product with SIEM connections and event storage |
| Vendor | Okta | Independent |
| Open source | No, Proprietary | No, Proprietary |
| Free plan | Yes: up to 25,000 monthly active users, 1 custom domain, passwordless auth, unlimited social connections, 5 organizations | Yes: AuthKit is free for up to 1 million monthly active users |
| Paid plans from | $35 a month for Essentials (up to 500 monthly active users) | $125 a month per connection for Single Sign-On or Directory Sync |
| Made by | Okta, Inc. (Auth0 by Okta) | WorkOS |
| Launched | 2013 | Not listed |
What's the difference between Auth0 and WorkOS?
Who pays when enterprises sign up
WorkOS prices SSO and directory sync per customer connection at $125 a month, which maps cost to each enterprise customer you onboard. Auth0 prices by monthly active users and feature tier.
Free allowance size
WorkOS AuthKit is free for the first 1 million monthly active users and then $2,500 per additional million. Auth0's free plan stops at 25,000, with paid plans from $35 a month.
Scope
Auth0 is built for consumer and B2B apps alike, with MFA, role-based access and social login. WorkOS is aimed at B2B products that need to satisfy enterprise IT requirements.
Audit logs
WorkOS sells audit logs as a distinct product at $125 a month per SIEM connection and $99 a month per million events stored, while Auth0 offers log streaming on Essentials and above.
Auth0 vs WorkOS pricing
Auth0 is priced by monthly active users and tier; WorkOS prices AuthKit by users beyond a very large free allowance and enterprise features per connection.
Auth0
Free up to 25,000 monthly active users. Essentials is $35 a month and Professional $240 a month, both starting at 500 MAU. Enterprise is custom.
- Free
- $0 a month
- Essentials
- $35 a month
- Professional
- $240 a month
- Enterprise
- Custom pricing
WorkOS
AuthKit is free to 1 million MAU, then $2,500 per additional million a month. SSO and Directory Sync are $125 a month per connection with volume discounts. Audit log SIEM connections are $125 a month, and event storage is $99 a month per million events.
- AuthKit
- Free up to 1M monthly active users, then $2,500 per additional million a month
- Single Sign-On
- $125 a month per connection (1-15 connections)
- Directory Sync
- $125 a month per connection (1-15 connections)
- Audit Logs
- $125 a month per SIEM connection, $99 a month per million events stored
Prices in USD from the official pricing pages on 5 October 2026. They change often, so confirm on auth0.com and workos.com before you commit.
Usage and activity
Auth0 has 10 times as many GitHub stars as WorkOS (2.3k against 224). Weekly npm downloads: 1.1M for @auth0/nextjs-auth0 and 4M for @workos-inc/node. Releases on GitHub in the last 90 days: 8 for Auth0 and 6 for WorkOS.
| Measure | Auth0 | WorkOS |
|---|---|---|
| GitHub stars | 2,311 | 224 |
| npm downloads a week | 1.1M (@auth0/nextjs-auth0) | 4M (@workos-inc/node) |
| Latest release | v4.32.0, 3 days ago | v11.0.0, 2 weeks ago |
| Releases in 90 days | 8 | 6 |
From the public GitHub and npm APIs, updated daily. Stars and downloads show developer interest, not product quality.
Should you choose Auth0 or WorkOS?
Choose Auth0 if
- You serve consumer users as well as business customers
- You want a long-established platform with extensive SDKs
- Your user count fits within or near 25,000 monthly actives
- You want features such as role-based access and MFA in one product
Choose WorkOS if
- You sell to enterprises that ask for SAML SSO and SCIM
- You have a large user base and want a very large free allowance
- You prefer paying per enterprise connection
- You want audit logs ready for customer compliance reviews
Switching between Auth0 and WorkOS
Moving between them means exporting users, mapping connections for each enterprise customer, and replacing SDK calls and callbacks. Enterprise SSO connections need reconfiguring with each customer's identity provider, which is the slowest part.
Auth0 vs WorkOS: common questions
Which has the larger free tier?
WorkOS AuthKit, free up to 1 million monthly active users, versus 25,000 for Auth0.
How is WorkOS SSO priced?
$125 a month per connection for 1 to 15 connections, with volume discounts of up to 48% at higher counts.
Is Auth0 owned by a larger company?
Yes, by Okta since 2021.
Can I use Auth0 for consumer apps?
Yes, it supports consumer and B2B applications.
What is AuthKit?
WorkOS's user management and authentication product, covering sign-up, sign-in, social logins and role-based access.
Other options to consider
All auth tools
Better Auth
Open source TypeScript authentication framework that joined Vercel on 7 July 2026.
NextAuth.js
Open source authentication library for Next.js and React, now stewarded by the Better Auth team.
Keycloak
Open source identity and access management with single sign-on, OpenID Connect and SAML.
Clerk
Hosted authentication and user management with prebuilt sign-in, profile and organization components.
Sources
More sources for each tool are on the Auth0 and WorkOS pages.
Related comparisons
ClerkvsAuth0
Clerk is a hosted authentication service with prebuilt UI components, billing by monthly retained users per app since February 2026, with a free tier covering 50,000 users.
OryvsAuth0
Ory is open source identity infrastructure, with components for authentication, authorization and OAuth2 and OIDC, that you can self-host for free or use through Ory Cloud.