Authentication Providers · reliability comparison
Clerk vs Supabase Auth: which is more reliable? (2026)
Clerk is more reliable than Supabase Auth, scoring 53.3 vs 28.7 out of 100. Over the last 90 days Clerk reported 9 incidents and Supabase Auth reported 39, with effective uptime of 98.98% and 95.61% respectively. Supabase Auth resolves incidents faster on average (15h 2m).
Data updated Nov 2, 2026 · How we score
| Metric | Clerk | Supabase Auth |
|---|---|---|
| Reliability score | 53.3 | 28.7 |
| Rank (authentication providers) | #6 | #9 |
| Uptime (90 days) | 98.98% | 95.61% |
| Incidents (90 days) | 9 | 39 |
| Partial / major outages | 1 | 10 |
| Avg time to resolve | 16h 6m | 15h 2m |
| Outages we detected | 0 | 0 |
| Transparency score | 100/100 | 100/100 |
Where Clerk and Supabase Auth differ
- Supabase Auth reported 4.3× as many incidents as Clerk over the last 90 days (39 vs 9).
- Supabase Auth had 10 partial or major outages, compared with 1 for Clerk.
- Supabase Auth fixes problems faster: 15h 2m on average, against 16h 6m for Clerk.
- Clerk's longest outage on record lasted 3h 32m (Jul 12, 2026); Supabase Auth's lasted 1d 3h (Sep 10, 2026).
90-day uptime
Clerk
Supabase Auth
- No incidents
- Degraded
- Partial outage
- Major outage
- No data
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: Email delivery, Dashboard analytics, Billing, Dashboard, Platform API, SCIM +8 more
- Degraded performanceSep 16, 2026 · resolved in 1h 8m
Affected: Webhooks
Recent Supabase Auth incidents
- InformationalOct 31, 2026 · resolved in 1h 8m
- InformationalOct 30, 2026 · resolved in 51m
- InformationalOct 20, 2026 · resolved in 7h 41m
- InformationalOct 10, 2026 · resolved in <1m
Intermittent connection errors via the connection pooler in us-east-1
- InformationalOct 6, 2026 · resolved in 2h 56m
- Degraded performanceOct 6, 2026 · resolved in 1h 10m
Increased errors on management api leading to project operation failures
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 →