Authentication Providers · reliability comparison
Auth0 vs Clerk: which is more reliable? (2026)
Clerk is more reliable than Auth0, scoring 53.3 vs 33.9 out of 100. Over the last 90 days Auth0 reported 6 incidents and Clerk reported 9, with effective uptime of 92.38% and 98.98% respectively. Clerk resolves incidents faster on average (16h 6m).
Data updated Nov 1, 2026 · How we score
| Metric | Auth0 | Clerk |
|---|---|---|
| Reliability score | 33.9 | 53.3 |
| Rank (authentication providers) | #8 | #6 |
| Uptime (90 days) | 92.38% | 98.98% |
| Incidents (90 days) | 6 | 9 |
| Partial / major outages | 3 | 1 |
| Avg time to resolve | 2d 12h | 16h 6m |
| Outages we detected | 0 | 0 |
| Transparency score | 100/100 | 100/100 |
Where Auth0 and Clerk differ
- Clerk reported 50% more incidents than Auth0 over the last 90 days (9 vs 6).
- Auth0 had 3 partial or major outages, compared with 1 for Clerk.
- Clerk fixes problems faster: 16h 6m on average, against 2d 12h for Auth0 (3.7× quicker).
- Auth0's longest outage on record lasted 3d (Oct 23, 2026); Clerk's lasted 3h 32m (Jul 12, 2026).
90-day uptime
Auth0
Clerk
- No incidents
- Degraded
- Partial outage
- Major outage
- No data
Recent Auth0 incidents
- MaintenanceOct 27, 2026 · resolved (duration not published)
- MaintenanceOct 27, 2026 · resolved in <1m
- Partial outageOct 23, 2026 · resolved in 356d 18h
Elevated Errors on Multiple Public Cloud Environmentsofficial update ↗
- Partial outageOct 23, 2026 · resolved in <1m
- Degraded performanceSep 15, 2026 · resolved in 311d 13h
- Degraded performanceSep 3, 2026 · resolved in 362d 21h
Recent Clerk incidents
- Partial outageOct 29, 2026 · resolved in 36m
Affected: Authentication & User
- Degraded performanceOct 21, 2026 · resolved in 1d 21h
Issues with Documentation "Ask AI"
Affected: Ask AI
- Degraded performanceOct 1, 2026 · resolved in 14h 46m
Affected: Dashboard analytics, Dashboard, Dashboard search
- Degraded performanceSep 28, 2026 · resolved in 21d 2h
Development instances only - Apple rejecting emails
Affected: Email delivery
- MaintenanceSep 24, 2026 · ongoing
Scheduled Database Maintenance
Affected: Dashboard analytics, Authentication & User, Billing, Dashboard search, Platform API, SCIM +8 more
- Degraded performanceSep 16, 2026 · resolved in 1h 8m
Affected: Webhooks
Other authentication providers to consider
- Ory Network · #1 · 99.99% uptime
- Kinde · #2 · 99.96% uptime
- Frontegg · #3 · 99.97% uptime
- Stytch · #4 · 99.82% uptime
See the full most reliable authentication providers ranking →