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Best authentication provider for web apps

3 models · updated 2026-06-29

The verdict

Clerk leads — All 3 models rank Clerk the top startup.

Combined ranking

  1. 1
    Clerk—14 pts
    GPT #1Claude #2Gemini #1· Best developer experience for modern SaaS authentication.
  2. 2
    WorkOS—8 pts
    GPT #3Claude #5Gemini #2· Best-in-class B2B SaaS features like enterprise SAML SSO and Directory Sync.
  3. 3
    Supabase Auth—5 pts
    GPT #5Claude #4Gemini #4· Open-source, Postgres-native auth bundled with a full backend, generous free tier.
  4. 4
    Stytch—2 pts
    GPT #4Claude —Gemini —· Flexible passwordless auth with strong fraud tooling.
  5. 5
    Kinde—1 pts
    GPT —Claude —Gemini #5· Extremely fast setup and user management features tailored for modern SaaS startups.

Not ranked (incumbents): Auth0, Okta

By model

ChatGPT

  1. 1.Clerk
  2. 2.Auth0
  3. 3.WorkOS
  4. 4.Stytch
  5. 5.Supabase Auth

Claude

  1. 1.Auth0
  2. 2.Clerk
  3. 3.Okta
  4. 4.Supabase Auth
  5. 5.WorkOS

Gemini

  1. 1.Clerk
  2. 2.WorkOS
  3. 3.Auth0
  4. 4.Supabase Auth
  5. 5.Kinde

Tracked by ModelsAgree · rank 1 = 5 pts … rank 5 = 1 pt · re-polled continuously