Okta Auth0 vs ZITADEL: Side-by-Side Comparison (2026)

Okta Auth0: Identity and access management platform for authentication and authorization. built by Auth0. Core capabilities include Email-based authentication, Social login with GitHub, Social login with Google..

ZITADEL: Open-source, multi-tenant identity platform for authn, authz, and SSO. built by ZITADEL. Core capabilities include Hosted login page with customizable branding, Multi-factor authentication (MFA) enforcement, Passwordless authentication via Passkeys..

Both serve the CIAM market but differ in approach, feature depth, and target audience.

Okta Auth0 differentiates with Email-based authentication, Social login with GitHub, Social login with Google. ZITADEL differentiates with Hosted login page with customizable branding, Multi-factor authentication (MFA) enforcement, Passwordless authentication via Passkeys.

Okta Auth0 is developed by Auth0. ZITADEL is developed by ZITADEL. Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.

Okta Auth0 and ZITADEL serve similar CIAM use cases: both are CIAM tools, both cover Authentication, Authorization, SSO. Review the feature comparison above to determine which fits your requirements.