OIDC vs SAML for Enterprise SSO: A 2026 Decision Guide - Part 4
Blog post from Clerk
In the final installment of a series on choosing between OIDC and SAML for enterprise SSO in 2026, the focus shifts to implementation considerations, the provider landscape, and future-proofing strategies. It emphasizes that buying a managed SSO provider generally outweighs building one in-house due to cost and operational burdens like certificate rotations and metadata upkeep. A comparative analysis highlights that the choice between OIDC and SAML is context-dependent, with OIDC favored for new projects and SAML retaining a stronghold in legacy systems. The landscape of SSO providers is segmented into DIY/self-hosted solutions, legacy and enterprise IDPs, and modern developer platforms, each offering varying pricing models and operational features. The guide stresses the importance of selecting a provider based on total cost of ownership, platform fit, SCIM provisioning, and security posture rather than solely on protocol security rankings. It concludes by noting that while SAML remains entrenched, OIDC is gaining traction in new builds, and both protocols should be supported to ensure flexibility and future adaptability.
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