Auth0

Enterprise-grade authentication and authorization platform with extensive identity-provider support.

EstablishedHigh lock-in

Pricing

Free tier

Per MAU

Adoption

Stable

License

Proprietary

Data freshness

Unverified

Overview

What is Auth0?

Auth0 (by Okta) is a widely-used identity platform offering social/enterprise login, MFA, RBAC, and extensible rules/actions. Strong for B2B and enterprise SSO.

Key differentiator

The most enterprise-complete identity platform, backed by Okta.

Capability profile

Capability Radar

Ease of StartEcosystemValueMaturityFlexibilityScale Ready

Honest assessment

Strengths & Weaknesses

↑ Strengths

Deep enterprise identity featureshigh

SAML/OIDC, enterprise connections, MFA, and fine-grained RBAC out of the box

Huge ecosystem of connections/rulesmedium

Extensible Actions and a large marketplace of social/enterprise providers

Battle-tested at scalemedium

Used by thousands of enterprises; mature SDKs across every major framework

↓ Weaknesses

Pricing scales steeply with MAUhigh

Per-MAU model gets expensive fast as a consumer app grows

Complex for simple use casesmedium

More configuration than lighter tools like Clerk for a basic app

Fit analysis

Who is it for?

✓ Best for

Enterprise B2B apps needing SSO/SAML

Mature enterprise connections and compliance

Teams needing fine-grained authorization

RBAC and Actions cover complex authz

Cost structure

Pricing

Free Tier

Available

25,000 monthly active users on the free plan

Starts at

$35/mo

Model

Per MAU

Enterprise

Available

Performance benchmarks

How Fast Is It?

Ecosystem

Relationships

Alternatives

Next step

Get Started with Auth0

Step-by-step setup guide with code examples and common gotchas.

View Setup Guide →