Clerk vs Auth0
Developer Tools pricing comparison · 2026
Clerk pricing ranges from $0–$300/month, while Auth0 ranges from $0–$800/month. These products use different pricing models (Per-seat subscription vs Usage-based (pay per token/image/minute)), so a direct price comparison isn't meaningful — costs depend on usage volume and mix.
Sources & confidence
Every dollar amount and contract clause below traces back to a sourced fact. We don't manufacture composite scores.
Plans at a glance
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What users say
Aggregated, with sample sizes. We use whichever review platform has data.
Clerk and Auth0 are both authentication-as-a-service platforms that let developers add sign-in, user management, and session handling without building auth from scratch. Auth0 is the established enterprise player with 15+ years of production deployments and extensive compliance certifications. Clerk is the newer developer-focused alternative built specifically for React and Next.js with pre-built UI components.
Pricing models differ significantly: Auth0 charges per Monthly Active Users (MAU) and can get expensive quickly at scale. Clerk charges per month with feature-gated tiers, making it more predictable for growing startups.
Plan-by-Plan Pricing
| Plan | Clerk | Auth0 |
|---|---|---|
| Hobby | Free /month | Free /month |
| Pro | $25 /month | $35 /month |
| Business | $300 /month | $150 /month |
| Enterprise | Custom | $240 /month |
| Professional (B2B) | — | $800 /month |
| Enterprise | — | Custom |
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Our Verdict
Choose Clerk if you're building with React, Next.js, or a modern JavaScript framework and want the fastest auth integration with pre-built UI components. Best for startups and developer-focused products where speed of implementation matters.
Choose Auth0 if you need enterprise compliance features (SOC2, HIPAA, FedRAMP), complex B2B multi-tenant auth, or need to support non-JavaScript platforms with extensive SDK coverage. Best for enterprise SaaS, regulated industries, and companies already standardized on Okta/Auth0.
Frequently Asked Questions
01 Is Clerk cheaper than Auth0?
For early-stage products, Clerk's Hobby plan (free, up to 10,000 MAU) and Pro plan ($25/month) are more predictable than Auth0's MAU-based pricing. Auth0 Free covers up to 7,500 MAU. At scale (100,000+ MAU), Auth0 Business pricing at $240/month (B2C) can surpass Clerk Pro. The key difference: Clerk charges flat rates, Auth0 scales with users.
02 Which is easier to integrate: Clerk or Auth0?
Clerk wins on developer experience for React/Next.js apps — components like
03 Does Clerk support B2B multi-tenant authentication?
Yes. Clerk's Organizations feature handles multi-tenant B2B auth including org switching, role-based access, and domain-based routing. Auth0 also supports B2B but through its Organizations feature (requires Professional B2B tier at $800/month), making Clerk more accessible for B2B startups.
04 Which auth provider is more secure?
Both have strong security postures. Auth0 has a longer compliance track record (SOC2 Type II, ISO 27001, HIPAA, PCI DSS) important for enterprise deals. Clerk has SOC2 Type II and is adding compliance certifications. For most B2C startups, both are more than adequate. For regulated industries, Auth0's compliance depth may matter.
05 Can I migrate from Auth0 to Clerk?
Yes, but it requires effort. Clerk offers migration guides for moving user records and hashed passwords from Auth0. You'll need to update your SDK calls and replace Auth0 UI components with Clerk equivalents. Most teams report a 1–2 week migration for a mid-size codebase, with the main effort being custom flow differences.