Auth0 vs. Clerk / Supabase Auth
Auth0 vs Clerk vs Supabase Auth · 2026 SaaS auth call
Pre-built auth saves you 2-4 weeks vs rolling your own. The three serious options in 2026 differ on pricing, DX, and how far they scale into enterprise.
option AAuth0option BClerk / Supabase AuthserviceWebsites, web apps & online shops
→ Verdict
Clerk wins for React/Next.js DX and startup-to-mid-market SaaS. Auth0 wins on enterprise (SAML, fine-grained RBAC, mature audit). Supabase Auth wins when you already run Supabase and want one vendor.
Pick a topic
When to pick which
A · Pick this when…
Auth0
- 01Enterprise customers demand SAML / SCIM
- 02Complex RBAC with custom actions
- 03Global presence + 99.99% SLA
B · Pick that when…
Clerk / Supabase Auth
- 01Clerk: React/Next.js app, startup-to-mid stage
- 02Clerk: fastest DX (components + hooks)
- 03Supabase Auth: already on Supabase Postgres
- 04Supabase Auth: self-hostable escape hatch
Factors to weigh
Factor-by-factor
| Factors to weigh | Auth0 | Clerk / Supabase Auth |
|---|---|---|
| DX (React / Next.js) | Good | Clerk best, Supabase good |
| SAML / SCIM | Native | Clerk has enterprise plan, Supabase lacks |
| Pricing at 10k MAU | ~$600-1200/mo | Clerk ~$100-250, Supabase included |
| Organizations / teams | Strong | Clerk great, Supabase DIY |
| Self-hosting | Not meaningful | Supabase full self-host, Clerk no |
| MFA / passkeys | Mature | Clerk full, Supabase full |
| We recommend | Enterprise + regulated | Clerk for SaaS, Supabase if already on Supabase |
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