App Hosting Platforms · reliability comparison
Heroku vs Vercel: which is more reliable? (2026)
Heroku is more reliable than Vercel, scoring 91.0 vs 66.8 out of 100. Over the last 90 days Heroku reported 6 incidents and Vercel reported 23, with effective uptime of 99.95% and 99.58% respectively. Vercel resolves incidents faster on average (1h 32m).
Data updated Nov 1, 2026 · How we score
| Metric | Heroku | Vercel |
|---|---|---|
| Reliability score | 91.0 | 66.8 |
| Rank (app hosting platforms) | #2 | #9 |
| Uptime (90 days) | 99.95% | 99.58% |
| Incidents (90 days) | 6 | 23 |
| Partial / major outages | 0 | 9 |
| Avg time to resolve | 1h 43m | 1h 32m |
| Outages we detected | 0 | 0 |
| Transparency score | 100/100 | 100/100 |
Where Heroku and Vercel differ
- Vercel reported 3.8× as many incidents as Heroku over the last 90 days (23 vs 6).
- Vercel had 9 partial or major outages, compared with 0 for Heroku.
- Vercel fixes problems faster: 1h 32m on average, against 1h 43m for Heroku.
- Heroku's longest incident on record lasted 5h 4m (Oct 28, 2026); Vercel's lasted 6h 36m (Oct 12, 2026).
90-day uptime
Heroku
Vercel
- No incidents
- Degraded
- Partial outage
- Major outage
- No data
Recent Heroku incidents
- Degraded performanceOct 28, 2026 · resolved in 5h 4m
- Degraded performanceSep 24, 2026 · resolved in 1h 28m
- Degraded performanceAug 25, 2026 · resolved (duration not published)
- Degraded performanceAug 18, 2026 · resolved (duration not published)
- Degraded performanceAug 10, 2026 · resolved in 20m
- Degraded performanceAug 6, 2026 · resolved in 2m
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
- Koyeb · #3 · 99.64% uptime
- Render · #4 · 99.71% uptime
- Netlify · #5 · 99.71% uptime