Stay free if you only need first 1m monthly active users free and email + password authentication. Upgrade if you need saml and oidc sso support and all major identity providers. Most solo builders can start free.
Why it matters: Enterprise-focused feature set may be unnecessary overhead for consumer applications or simple B2C products
Available from: AuthKit Scale ($2500/month)
Why it matters: Newer platform with less market track record in complex enterprise environments compared to Auth0 or Okta's decade-plus history
Available from: AuthKit Scale ($2500/month)
Why it matters: Fine-grained authorization engine is relatively new addition and less mature than dedicated authorization platforms like Oso or SpiceDB
Available from: AuthKit Scale ($2500/month)
Why it matters: Limited identity management features beyond enterprise readiness compared to comprehensive platforms like Auth0
Available from: AuthKit Scale ($2500/month)
Why it matters: Smaller ecosystem of integrations and community resources compared to more established identity providers
Available from: AuthKit Scale ($2500/month)
WorkOS is specifically designed for B2B SaaS companies needing enterprise readiness features, while Auth0 is a broader identity platform. WorkOS offers superior enterprise onboarding with the self-service Admin Portal, more predictable pricing aligned with B2B growth, and deeper specialization in features like SCIM directory sync. Auth0 provides broader identity management capabilities but may be over-engineered for B2B SaaS focused primarily on enterprise customer needs.
WorkOS offers a generous free tier that includes AuthKit for up to 1 million monthly active users, basic SSO connections, and directory sync capabilities. Enterprise features like additional SSO connections, advanced audit logging, and premium support are priced per connection. This model allows startups to integrate enterprise features early and only pay as they close enterprise deals, aligning costs with revenue.
Most development teams integrate WorkOS SSO in 1-2 days using the provided SDKs and comprehensive documentation. The initial API integration typically takes 4-8 hours for experienced developers. The self-service Admin Portal means customers can configure their own SSO connections without involving your engineering team, dramatically reducing ongoing integration overhead.
For B2B SaaS applications, WorkOS can serve as a complete replacement with AuthKit providing all standard authentication methods plus enterprise SSO. Some teams use WorkOS alongside existing auth providers, leveraging WorkOS specifically for enterprise features while maintaining their current setup for basic authentication. The migration path depends on your specific requirements and customer base.
WorkOS maintains SOC 2 Type II compliance, supports GDPR requirements, and provides the audit logging and security controls needed for ISO 27001 compliance. The platform includes enterprise-grade encryption, comprehensive audit trails, and security features that help customers meet their own compliance requirements when evaluating SaaS vendors.
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Last verified March 2026