App Hosting Platforms · reliability comparison

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

Heroku is more reliable than Google Cloud Run, scoring 91.0 vs 72.8 out of 100. Over the last 90 days Google Cloud Run reported 3 incidents and Heroku reported 6, with effective uptime of 99.59% and 99.95% respectively. Heroku resolves incidents faster on average (1h 43m).

Data updated Nov 1, 2026 · How we score

MetricGoogle Cloud RunHeroku
Reliability score72.891.0
Rank (app hosting platforms)#6#2
Uptime (90 days)99.59%99.95%
Incidents (90 days)36
Partial / major outages30
Avg time to resolve4h 39m1h 43m
Outages we detected00
Transparency score100/100100/100

Where Google Cloud Run and Heroku differ

  • Heroku reported 2× as many incidents as Google Cloud Run over the last 90 days (6 vs 3).
  • Google Cloud Run had 3 partial or major outages, compared with 0 for Heroku.
  • Heroku fixes problems faster: 1h 43m on average, against 4h 39m for Google Cloud Run (2.7× quicker).
  • Google Cloud Run's longest outage on record lasted 6h 8m (Oct 20, 2026); Heroku's lasted 5h 4m (Oct 28, 2026).

90-day uptime

Google Cloud Run

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 19, 2026: no incidentsOct 20, 2026: 87.22% uptime, 1 incident (Partial outage)Oct 21, 2026 – Nov 1, 2026: no incidents
90 days ago99.591% average daily uptimeToday

Heroku

Aug 4, 2026 – Aug 5, 2026: no incidentsAug 6, 2026: 99.98% uptime, 1 incident (Degraded performance)Aug 7, 2026 – Aug 9, 2026: no incidentsAug 10, 2026: 99.79% uptime, 1 incident (Degraded performance)Aug 11, 2026 – Aug 17, 2026: no incidentsAug 18, 2026: 100% uptime, 1 incident (Degraded performance)Aug 19, 2026 – Aug 24, 2026: no incidentsAug 25, 2026: 100% uptime, 1 incident (Degraded performance)Aug 26, 2026 – Sep 23, 2026: no incidentsSep 24, 2026: 99.08% uptime, 1 incident (Degraded performance)Sep 25, 2026 – Oct 27, 2026: no incidentsOct 28, 2026: 96.83% uptime, 1 incident (Degraded performance)Oct 29, 2026 – Nov 1, 2026: no incidents
90 days ago99.952% average daily uptimeToday

Recent Google Cloud Run incidents

Full Google Cloud Run reliability report →

Recent Heroku incidents

Full Heroku reliability report →

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