Cloud Providers · reliability comparison

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

IBM Cloud is more reliable than Google Cloud, scoring 88.4 vs 56.4 out of 100. Over the last 90 days Google Cloud reported 4 incidents and IBM Cloud reported 1, with effective uptime of 98.90% and 100% respectively.

Data updated Nov 1, 2026 · How we score

MetricGoogle CloudIBM Cloud
Reliability score56.488.4
Rank (cloud providers)#5#1
Uptime (90 days)98.90%100%
Incidents (90 days)41
Partial / major outages41
Avg time to resolve10h 56m—
Outages we detected00
Transparency score100/100100/100

Where Google Cloud and IBM Cloud differ

  • Google Cloud reported 4× as many incidents as IBM Cloud over the last 90 days (4 vs 1).
  • Google Cloud had 4 partial or major outages, compared with 1 for IBM Cloud.

90-day uptime

Google Cloud

Aug 4, 2026 – Aug 19, 2026: no incidentsAug 20, 2026: 84.72% uptime, 1 incident (Major outage)Aug 21, 2026 – Aug 31, 2026: no incidentsSep 1, 2026: 91.31% uptime, 1 incident (Partial outage)Sep 2, 2026 – Oct 7, 2026: no incidentsOct 8, 2026: 72.91% uptime, 1 incident (Partial outage)Oct 9, 2026: 65.06% uptime, 1 incident (Partial outage)Oct 10, 2026 – Oct 19, 2026: no incidentsOct 20, 2026: 87.22% uptime, 1 incident (Partial outage)Oct 21, 2026 – Nov 1, 2026: no incidents
90 days ago98.902% average daily uptimeToday

IBM Cloud

Aug 4, 2026 – Oct 20, 2026: no incidentsOct 21, 2026: 100% uptime, 1 incident (Partial outage)Oct 22, 2026 – Nov 1, 2026: no incidents
90 days ago100% average daily uptimeToday

Recent Google Cloud incidents

Full Google Cloud reliability report →

Recent IBM Cloud incidents

Full IBM Cloud reliability report →

Other cloud providers to consider

See the full most reliable cloud providers ranking →