Cloud Providers · reliability comparison
Alibaba Cloud vs IBM Cloud: which is more reliable? (2026)
Alibaba Cloud and IBM Cloud are effectively tied on reliability (90.0 vs 88.4). Over the last 90 days Alibaba Cloud reported 0 incidents and IBM Cloud reported 1, with effective uptime of 100% and 100% respectively.
Data updated Nov 1, 2026 · How we score
| Metric | Alibaba Cloud | IBM Cloud |
|---|---|---|
| Reliability score | 90.0 | 88.4 |
| Rank (cloud providers) | — | #1 |
| Uptime (90 days) | 100% | 100% |
| Incidents (90 days) | 0 | 1 |
| Partial / major outages | 0 | 1 |
| Avg time to resolve | — | — |
| Outages we detected | 0 | 0 |
| Transparency score | 50/100 | 100/100 |
Where Alibaba Cloud and IBM Cloud differ
- Alibaba Cloud reported no incidents in the last 90 days, while IBM Cloud reported 1.
- IBM Cloud had 1 partial or major outage, compared with 0 for Alibaba Cloud.
90-day uptime
Alibaba Cloud
IBM Cloud
- No incidents
- Degraded
- Partial outage
- Major outage
- No data
Recent Alibaba Cloud incidents
No incidents reported by Alibaba Cloud in the last 90 days.
Recent IBM Cloud incidents
- Partial outageOct 21, 2026 · resolved (duration not published)
Other cloud providers to consider
- Hetzner Cloud · #2 · 99.63% uptime
- Amazon Web Services (AWS) · #3 · 99.43% uptime
- UpCloud · #4 · 99.37% uptime
- Google Cloud · #5 · 98.90% uptime