App Hosting Platforms · reliability comparison
Upsun (Platform.sh) vs Vercel: which is more reliable? (2026)
Vercel is more reliable than Upsun (Platform.sh), scoring 66.8 vs 33.1 out of 100. Over the last 90 days Upsun (Platform.sh) reported 7 incidents and Vercel reported 23, with effective uptime of 95.58% and 99.58% respectively. Vercel resolves incidents faster on average (1h 32m).
Data updated Nov 1, 2026 · How we score
| Metric | Upsun (Platform.sh) | Vercel |
|---|---|---|
| Reliability score | 33.1 | 66.8 |
| Rank (app hosting platforms) | #12 | #9 |
| Uptime (90 days) | 95.58% | 99.58% |
| Incidents (90 days) | 7 | 23 |
| Partial / major outages | 5 | 9 |
| Avg time to resolve | 1d 12h | 1h 32m |
| Outages we detected | 0 | 0 |
| Transparency score | 100/100 | 100/100 |
Where Upsun (Platform.sh) and Vercel differ
- Vercel reported 3.3× as many incidents as Upsun (Platform.sh) over the last 90 days (23 vs 7).
- Vercel had 9 partial or major outages, compared with 5 for Upsun (Platform.sh).
- Vercel fixes problems faster: 1h 32m on average, against 1d 12h for Upsun (Platform.sh) (23.6× quicker).
- Upsun (Platform.sh)'s longest outage on record lasted 3d (Sep 11, 2026); Vercel's lasted 6h 36m (Oct 12, 2026).
90-day uptime
Upsun (Platform.sh)
Vercel
- No incidents
- Degraded
- Partial outage
- Major outage
- No data
Recent Upsun (Platform.sh) incidents
- Partial outageOct 30, 2026 · resolved in 2h 41m
Investigating possible outage on console APIofficial update ↗
- Degraded performanceOct 21, 2026 · resolved in 3d 16h
- Partial outageSep 11, 2026 · resolved in 3d 1h
Partial outage on dedicated clusters running Adobe Commerceofficial update ↗
- Partial outageSep 4, 2026 · resolved in 3d 2h
- Partial outageSep 2, 2026 · resolved in 11h 28m
- Partial outageAug 26, 2026 · resolved in 10h 31m
Recent Vercel incidents
- Degraded performanceOct 23, 2026 · resolved in 1h 2m
Delays in Logs and Observability data
Affected: Logs, Observability
- Partial outageOct 12, 2026 · resolved in 6h 36m
Increased build and deployment failuresofficial update ↗
Affected: Builds, Git Integrations
- Partial outageOct 10, 2026 · resolved in 1h 21m
Delays in Drains, Observability, and Workflow in Washington (iad1)
Affected: Drains, Logs, Observability, Queues, Workflow
- Partial outageOct 6, 2026 · resolved in 16m
Vercel Auth login failures for pages with Deployment Protection enabled
Affected: Routing Middleware
- Degraded performanceOct 6, 2026 · resolved in 25m
Elevated Sandbox error rates in Paris (cdg1)
Affected: Sandbox
- Degraded performanceSep 28, 2026 · resolved in 27m
Build failures and 500 errors for functions using Edge runtime
Affected: Builds
Other app hosting platforms to consider
- DigitalOcean App Platform · #1 · 99.98% uptime
- Heroku · #2 · 99.95% uptime
- Koyeb · #3 · 99.64% uptime
- Render · #4 · 99.71% uptime