Best Enterprise Authentication Solutions in 2026
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A comparison of five enterprise authentication solutions for 2026: Okta, Auth0, WorkOS, SSOJet, and Microsoft Entra External ID. The guide segments recommendations by use case rather than ranking them universally. Okta suits enterprises managing their own workforce identity; Auth0 covers both consumer and enterprise login on one platform; WorkOS targets developer-first teams wanting clean documentation and API; SSOJet offers a flat per-connection overlay for teams with existing auth stacks; Microsoft Entra External ID fits Microsoft-stack organizations. Pricing is verified as of July 2026, with key distinctions drawn between per-user, per-MAU, and per-connection billing models. The core architectural distinction is between overlay brokers (WorkOS, SSOJet) that sit atop existing auth, and CIAM suites (Auth0, Entra External ID) that own the full login flow. Note: this guide is published by SSOJet, one of the reviewed vendors.