Prompt

What should I use for enterprise login: SAML or OIDC?

Technology / Identity & Access1 observationLast seen Oct 7, 2026

Latest observation

Oct 7, 2026OpenAI APIWeb search: off

For most new enterprise login implementations, choose OIDC (OpenID Connect).

Quick rule of thumb

  • Use OIDC if you’re building a modern web app, SPA, mobile app, or API-based system.
  • Use SAML if you need to integrate with older enterprise identity providers or you’re dealing with legacy B2B enterprise SSO requirements.

Why OIDC is usually the better default

  • Modern and simpler than SAML
  • Works well for web, mobile, and APIs
  • Uses JSON/JWT, which is easier to handle than XML/SAML assertions
  • Better fit for microservices and cloud-native apps
  • Easier developer experience and generally less integration pain

When SAML is still the right choice

  • Your customer’s IdP only supports SAML well
  • You’re integrating with legacy enterprise environments
  • You need compatibility with existing SSO setups that are already SAML-based
  • Your org already has a mature SAML infrastructure and wants minimal change

Practical enterprise recommendation

If possible:

  • Support both
  • Make OIDC your primary/default
  • Add SAML for enterprise customers who require it

Short answer

  • New product / new integration: OIDC
  • Legacy enterprise compatibility: SAML
  • Best enterprise strategy: OIDC first, SAML as optional support

If you want, I can also give you a decision matrix or explain this specifically for web apps, SPAs, mobile apps, or B2B SaaS.

Observation history

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