Head to head
Auth0 vs Supabase Auth
As a authentication & identity API, Auth0 rates higher on the APIbenchmarks Index, 91.7 to 82.2, a 9.5-point gap. Here is how they compare on each criterion.
Criterion by criterion
| Criterion | Auth0 | Supabase Auth |
|---|---|---|
| Documentation & DX | ||
| Reliability | ||
| Ecosystem & SDKs | ||
| Accessibility | ||
| APIbenchmarks Index | 91.7 | 82.2 |
Specifications
| Auth0 | Supabase Auth | |
|---|---|---|
| Best for | Full-featured CIAM for B2C and B2B | Postgres-native auth in an OSS BaaS |
| Free tier | 25k MAU (free plan) | 50k MAU (Free plan) |
| Pricing | MAU-based | MAU-based (+ platform fee) |
| Official SDKs | 12 languages | 6 languages |
Is Auth0 better than Supabase Auth?
On the APIbenchmarks Index, Auth0 rates higher (91.7 vs 82.2). It leads on the four weighted criteria, but price is reported separately, so the best choice still depends on your budget.