Auth0 vs Clerk
Auth0 vs Clerk, compared side by side on 22 data points: what each one does, how big it is, what it has raised, the tech running each site, and what users report. We score both out of 100 on traction, team and visibility: Auth0 is on 70/100 and Clerk on 56/100.
Where each one leads
Auth0
- our overall score: 70/100 against 56/100
- headcount: 354 against 216
- funding raised: $282M against $69.0M
- LinkedIn following: 103,754 against 8,838
Clerk
Leads on none of the measures we hold for both companies.
At a glance
| Measure | Auth0 | Clerk |
|---|---|---|
| What it is | Customer identity and access management platform for developers and enterprises. | AI-powered platform for building and managing customer-facing applications and workflows. |
| Category | Identity & Access Management (IAM), Identity & Access Management, Cybersecurity, Authentication | Developer Tools, API Platform, Authentication, Authorization |
| Sells toBusiness model | B2B | B2B |
| Offering | Platform | Software |
| Founded | 2013 | 2021 |
| Headquarters | Bellevue, United States | San Francisco, United States |
| Status | Active | Active |
Size, funding and growth
| Measure | Auth0 | Clerk |
|---|---|---|
| Employees | 354 | 216 |
| Total funding | $282M | $69.0M |
| Latest round | Series F | Series C |
| Valuation | $1.9B | Not published |
| LinkedIn followers | 103,754 | 8,838 |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | Auth0 | Clerk |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 70/100 | 56/100 |
| Traction | 60/100 | 59/100 |
| Team | 70/100 | 60/100 |
| Community | Not published | 15/100 |
| Search visibility | 44/100 | 42/100 |
| Quality | 78/100 | 58/100 |
| Agent readinessHow well an AI agent can read and act on the site | D (58/100) | D (54/100) |
| Domain ratingLink authority, 0-100 | 90/100 | 86/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | Auth0 | Clerk |
|---|---|---|
| Hosting | Vercel | Vercel |
| CDN | Cloudflare | Vercel |
| Frameworks | Next.js | Next.js, Tailwind CSS |
| Open source | Yes | Yes |
Auth0 vs Clerk: common questions
Which is better, Auth0 or Clerk?
On our 0-100 score Auth0 rates higher (70/100 against 56/100). The score weights traction, team, visibility and profile completeness, so it reflects company strength rather than which product suits you. We compare the two on 22 data points above: read the rows that match what you are buying for.
How do Auth0 and Clerk compare on the numbers?
Auth0 leads on our overall score (70/100 against 56/100), headcount (354 against 216), funding raised ($282M against $69.0M), LinkedIn following (103,754 against 8,838).
Read the full Auth0 review and pricing or the Clerk review and pricing. You can also browse other Auth0 alternatives we track.