Auth0 vs Vanta

Auth0 is a customer identity and access management (CIAM) platform that developers use to add login, sign-up and authorization to their applications. Founded in 2013, it was acquired by Okta in 2021 and now operates as Okta's customer identity product, alongside Okta's workforce identity business. Its job is to handle authentication so product teams do not build password storage, MFA and SSO themselves.

The platform centers on Universal Login, a hosted login page that supports social providers, enterprise connections (SAML, OIDC, Active Directory), passwordless email and SMS, passkeys and multi-factor authentication. Organizations support B2B multi-tenancy where each customer brings its own identity provider, Actions let teams run custom code in login and registration flows, and Fine-Grained Authorization handles relationship-based permissions. Attack protection covers bot detection, breached password checks and brute-force limits. The free plan was expanded in 2024 to 25,000 monthly active users; paid tiers are priced by MAU and features, and enterprise connections push buyers into higher plans quickly.

Auth0 fits B2B SaaS companies selling to enterprises that demand SSO, and consumer apps with large user bases and compliance requirements. It is less attractive for small teams that want drop-in UI components and predictable pricing: Clerk is simpler for React and Next.js apps, while Keycloak and Better Auth give full ownership without per-user fees.

Vanta is a compliance automation and trust management platform founded in 2018 in San Francisco by Christina Cacioppo. It helps companies achieve and maintain security certifications such as SOC 2, ISO 27001, HIPAA, GDPR and PCI DSS by replacing spreadsheets, screenshots and manual evidence gathering with continuous, automated monitoring.

Vanta connects to a company's cloud infrastructure (AWS, Google Cloud, Azure), identity provider, HR system, code repositories, endpoint management and ticketing tools, then runs hundreds of automated tests against the controls each framework requires. When a test fails, it alerts the owner and tracks remediation. The platform also provides policy templates, employee security training, vendor risk management, access reviews and a workspace where external auditors from Vanta's partner network review evidence directly. Trust Center publishes a company's security posture to prospects, and AI-assisted questionnaire automation answers security reviews faster. Pricing is quote-based and depends on frameworks, company size and modules.

Vanta suits B2B SaaS companies whose enterprise deals depend on SOC 2 or ISO 27001, from seed-stage startups getting a first report to scale-ups managing several frameworks. It does not replace internal security ownership, and costs grow with each added framework. Drata is the closest competitor with comparable automation and strong customization, Secureframe emphasizes guided support, and Sprinto targets cost-conscious startups.