Head to head
Clerk vs Supabase Auth
As a authentication & identity API, Clerk rates higher on the APIbenchmarks Index, 85.2 to 82.2, a 3-point gap. Here is how they compare on each criterion.
Criterion by criterion
| Criterion | Clerk | Supabase Auth |
|---|---|---|
| Documentation & DX | ||
| Reliability | ||
| Ecosystem & SDKs | ||
| Accessibility | ||
| APIbenchmarks Index | 85.2 | 82.2 |
Specifications
| Clerk | Supabase Auth | |
|---|---|---|
| Best for | Embeddable auth UI for React/Next.js | Postgres-native auth in an OSS BaaS |
| Free tier | 50k MAU (monthly retained users) | 50k MAU (Free plan) |
| Pricing | MAU-based | MAU-based (+ platform fee) |
| Official SDKs | 12 languages | 6 languages |
Is Clerk better than Supabase Auth?
On the APIbenchmarks Index, Clerk rates higher (85.2 vs 82.2). It leads on the four weighted criteria, but price is reported separately, so the best choice still depends on your budget.