Clerk vs Auth0
Answer: As of 2026-10-30: Clerk wins 1k users · no SSO at $0/mo ($0/yr less than Auth0); Auth0 wins 10k users · 1 SSO at $0/mo ($300/yr less than Clerk).
Cost by MAU (no SSO)
| Monthly users | Clerk | Auth0 |
|---|---|---|
| 10k users | $0 Hobby | $0 Free |
| 50k users | $0 Hobby | — |
| 100k users | $1025 Pro | — |
With enterprise SSO
| Scenario | Clerk | Auth0 |
|---|---|---|
| 1k users · no SSO | $0 Hobby | $0 Free |
| 10k users · 1 SSO | $25 Pro | $0 Free |
| 50k users · 5 SSO | $325 Pro | — |
| 100k users · 10 SSO | $1700 Pro | — |
Cheapest verified plan per vendor, monthly USD list price. How we calculate this.
Clerk
Hobby free to 50k MRU/app. Pro $25/mo ($20 annual) with 50k MRU + 1 SSO + 1 Directory Sync. Extra SSO $75 (2–15) then $60 (16–100). Directory Sync billed from 2027-01-01.
Source: clerk.com/pricing · 2026-10-30
Auth0
Free to 25k MAU with 1 Enterprise Connection, Self-Service SSO and inbound SCIM. B2C Essentials $35/mo and Professional $240/mo are published at up to 500 MAU; higher MAU and B2B volume tiers are custom.
Source: auth0.com/pricing · 2026-10-30
Also see: Clerk alternatives · Auth0 alternatives · all vendors by MAU
Watch Clerk vs Auth0
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