Head to head
Auth0 vs Clerk
As a authentication & identity API, Auth0 rates higher on the APIbenchmarks Index, 91.7 to 85.2, a 6.5-point gap. Here is how they compare on each criterion.
Criterion by criterion
| Criterion | Auth0 | Clerk |
|---|---|---|
| Documentation & DX | ||
| Reliability | ||
| Ecosystem & SDKs | ||
| Accessibility | ||
| APIbenchmarks Index | 91.7 | 85.2 |
Specifications
| Auth0 | Clerk | |
|---|---|---|
| Best for | Full-featured CIAM for B2C and B2B | Embeddable auth UI for React/Next.js |
| Free tier | 25k MAU (free plan) | 50k MAU (monthly retained users) |
| Pricing | MAU-based | MAU-based |
| Official SDKs | 12 languages | 12 languages |
Is Auth0 better than Clerk?
On the APIbenchmarks Index, Auth0 rates higher (91.7 vs 85.2). It leads on the four weighted criteria, but price is reported separately, so the best choice still depends on your budget.