Compare/Auth0 vs Clerk

Auth0 vs Clerk

Auth & Identity

Overlap

1 company uses both Auth0 and Clerk

Key Differences

Auth0 is used by 43 companies while Clerk is used by 12 companies. 1 company uses both.

Auth0 has 11% adoption across tracked AI companies, compared to 3% for Clerk.

42 companies use only Auth0: Augment Code, CircleCI, Cognition AI, Contextual AI, Deel, Deepset, Figma, Gainsight, Hebbia, Ironclad, Labelbox, Lakera, Lambda, OpenEvidence, PagerDuty, Parloa, Pieces, Procore, Protect AI, Puzzle, Pylon, Qdrant, Retell AI, Rippling, Rogo, Samsara, Semgrep, ServiceTitan, Snyk, Sola Security, Stackblitz, Svix, Tavily, Temporal, Tinybird, Tray.io, Uniphore, Vapi, Vespa, Weights & Biases, You.com, Zilliz (Milvus).

11 companies use only Clerk: Braintrust, Browserbase, Cartesia AI, Inngest, Lovable, OpenRouter, Profound, Stripe, Supabase, Turso, Vercel.

Alternatives (Auth & Identity)

Auth0 vendor page Clerk vendor page All Auth & Identity vendors