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Auth0

Enterprise identity platform by Okta

Enterprise-grade customer identity and access management (CIAM) platform by Okta providing universal authentication, passkeys, multi-tenant B2B SSO, and fine-grained authorization.

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Pricing & Platform Specs

Pricing Summary

Freemium model based on Monthly Active Users (MAU). The Free plan supports up to 25,000 MAUs with 1 custom domain, passkeys, and 1 enterprise connection. Paid self-service plans include Essentials ($35/month for 500 MAUs with RBAC and Pro MFA, plus ~$0.07/extra MAU) and Professional ($240/month for advanced security and enterprise MFA). Enterprise plans offer custom annual pricing with unlimited SAML/SSO connections, 99.99% SLA, and dedicated 24/7 support.

full pricing breakdown →

Supported Platforms

Web, Mobile, API, all major languages

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Alternatives

All Auth0 alternatives →
Logto logo

Logto

Open-source auth infrastructure for modern apps

Logto is an open-source authentication and authorization platform built on OIDC and OAuth 2.1, serving as an alternative to Auth0, Cognito, and Firebase Auth. It provides pre-built sign-in flows with customizable UI, social login, Google One Tap, MFA, enterprise SSO via SAML, and role-based access control. SDKs cover 30+ frameworks including React, Next.js, Vue, Flutter, Go, and Python, with multi-tenancy support for SaaS applications.

freemiumOpen Source
Casdoor logo

Casdoor

Open-source IAM and SSO platform by Casbin

Casdoor is an open-source Identity and Access Management platform built by the Casbin community in Go and React. Supports OAuth 2.0, OIDC, SAML, CAS, LDAP, SCIM, WebAuthn, and MFA with a comprehensive web-based admin UI. Provides multi-tenant organization management, flexible RBAC and ABAC access control via Casbin models, and integrations with Google Workspace and Azure AD. Offers self-hosted deployment with optional managed cloud plans.

Open Source

Side-by-Side Comparisons

WorkOS logo
WorkOS
vs
Auth0 logo
Auth0

WorkOS vs Auth0: Enterprise-Ready Auth Modules for SaaS vs Full CIAM Suite

WorkOS and Auth0 both sell enterprise-grade authentication capabilities to SaaS builders, but they package the problem differently. WorkOS focuses on modular enterprise features—User Management, SSO, Directory Sync, and related controls—with transparent usage pricing aimed at B2B product teams. Auth0 offers a broad CIAM platform spanning consumer and business identity, attack protection, and enterprise add-ons. This comparison helps teams decide whether they want composable enterprise auth modules or a single long-horizon identity suite.

WorkOSAuth0
Clerk logo
Clerk
vs
Auth0 logo
Auth0

Clerk vs Auth0: Developer-First Auth Components vs Enterprise CIAM Platform

Clerk and Auth0 both solve authentication and user management, but they optimize for different buyers. Clerk is a component-first auth product built around drop-in UIs, modern app frameworks, and monthly retained users (MRU). Auth0 is Okta’s CIAM platform with deep enterprise identity, attack protection, and large-scale B2B/B2C configuration. This page helps a product team choose whether shipping auth quickly with prebuilt UX or owning a broader identity control plane is the higher-priority constraint.

ClerkAuth0
Ory logo
Ory
vs
Auth0 logo
Auth0

Ory vs Auth0 — Modular Open-Source Identity Suite vs Managed Authentication Platform

Ory and Auth0 represent fundamentally different approaches to identity infrastructure. Ory provides a modular suite of open-source identity microservices including Kratos, Hydra, Oathkeeper, and Keto that teams deploy and compose according to their needs. Auth0 by Okta delivers a fully managed authentication platform with extensive pre-built integrations and a universal login experience that minimizes implementation effort.

OryAuth0
Clerk logo
Clerk
vs
Auth0 logo
Auth0
vs
Keycloak logo
Keycloak

Clerk vs Auth0 vs Keycloak — Authentication Platform Comparison

Three authentication solutions spanning the spectrum from developer-friendly SaaS to enterprise identity platform to self-hosted open-source. Clerk is purpose-built for React and Next.js, Auth0 (by Okta) serves enterprise identity needs, and Keycloak provides full IAM control through open-source self-hosting.

ClerkAuth0Keycloak

Community experience

Sources & verification

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Content verified

Verification dates are editorial checks. Routine CMS saves and automatic updatedAt timestamps do not advance them.

FAQ

What is Auth0?

Enterprise-grade customer identity and access management (CIAM) platform by Okta providing universal authentication, passkeys, multi-tenant B2B SSO, and fine-grained authorization.

Is Auth0 free?

Auth0 offers a free tier alongside paid plans. Freemium model based on Monthly Active Users (MAU). The Free plan supports up to 25,000 MAUs with 1 custom domain, passkeys, and 1 enterprise connection. Paid self-service plans include Essentials ($35/month for 500 MAUs with RBAC and Pro MFA, plus ~$0.07/extra MAU) and Professional ($240/month for advanced security and enterprise MFA). Enterprise plans offer custom annual pricing with unlimited SAML/SSO connections, 99.99% SLA, and dedicated 24/7 support.

Is Auth0 still maintained?

Yes — Auth0 is active. Its listing was last verified on September 6, 2026.

What are the best Auth0 alternatives?

The first editor-selected Auth0 alternatives are Logto, Casdoor.

How does Auth0 score in our review?

The published editorial review lists Auth0 at 88/100 overall across speed, privacy, and developer experience. Check the review's evidence status and test metadata for its verification level.