Auth0 vs. Ory

Auth0 takes a modern approach to identity, providing secure access to any application, for any user. Safeguarding billions of login transactions each month, Auth0 delivers convenience, privacy, and security so customers can focus on innovation. Auth0 is part of Okta, The World’s Identity Company™. Auth0 lets you quickly integrate authentication and authorization for web, mobile, and legacy applications, with new Fine Grained Authorization (FGA) that goes beyond role-based access control. Authenticate users across all applications with a customized, secure, and standards-based single login.

Ory offers a suite of cloud-native, open-source identity and access management solutions, including: Ory Kratos for configurable user management with features like MFA and social login; Ory Hydra for OAuth 2.0 and OpenID Connect authorization; Ory Polis for organization management and enterprise SSO; Ory Keto for a granular authorization system based on Google Zanzibar; Ory Oathkeeper, an identity and access proxy that enforces a Zero Trust security model; and Ory Talos to Transform API keys into dynamic controls for the agentic era .