Cloud Providers · reliability comparison

IBM Cloud vs Microsoft Azure: which is more reliable? (2026)

Microsoft Azure is more reliable than IBM Cloud, scoring 100.0 vs 88.4 out of 100. Over the last 90 days IBM Cloud reported 1 incident and Microsoft Azure reported 0, with effective uptime of 100% and 100% respectively.

Data updated Nov 1, 2026 · How we score

MetricIBM CloudMicrosoft Azure
Reliability score88.4100.0
Rank (cloud providers)#1—
Uptime (90 days)100%100%
Incidents (90 days)10
Partial / major outages10
Avg time to resolve——
Outages we detected00
Transparency score100/100100/100

Where IBM Cloud and Microsoft Azure differ

  • Microsoft Azure 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 Microsoft Azure.

90-day uptime

IBM Cloud

Aug 5, 2026 – Oct 20, 2026: no incidentsOct 21, 2026: 100% uptime, 1 incident (Partial outage)Oct 22, 2026 – Nov 2, 2026: no incidents
90 days ago100% average daily uptimeToday

Microsoft Azure

Aug 5, 2026 – Nov 2, 2026: no incidents
90 days ago100% average daily uptimeToday

Recent IBM Cloud incidents

Full IBM Cloud reliability report →

Recent Microsoft Azure incidents

No incidents reported by Microsoft Azure in the last 90 days.

Full Microsoft Azure reliability report →

Other cloud providers to consider

See the full most reliable cloud providers ranking →