Code Hosting & CI/CD · reliability comparison

GitLab vs Semaphore: which is more reliable? (2026)

GitLab is more reliable than Semaphore, scoring 81.2 vs 54.9 out of 100. Over the last 90 days GitLab reported 10 incidents and Semaphore reported 22, with effective uptime of 100% and 98.92% respectively.

Data updated Nov 1, 2026 · How we score

GitLab

81.2/100

Operational

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Semaphore

54.9/100

Operational

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VS
MetricGitLabSemaphore
Reliability score81.254.9
Rank (code hosting & CI platforms)#3#10
Uptime (90 days)100%98.92%
Incidents (90 days)1022
Partial / major outages46
Avg time to resolve—4h 2m
Outages we detected00
Transparency score100/100100/100

Where GitLab and Semaphore differ

  • Semaphore reported 2.2× as many incidents as GitLab over the last 90 days (22 vs 10).
  • Semaphore had 6 partial or major outages, compared with 4 for GitLab.

90-day uptime

GitLab

Aug 5, 2026 – Oct 13, 2026: no incidentsOct 14, 2026: 100% uptime, 2 incidents (Degraded performance)Oct 15, 2026: 100% uptime, 2 incidents (Partial outage)Oct 16, 2026: 100% uptime, 2 incidents (Partial outage)Oct 17, 2026 – Oct 19, 2026: no incidentsOct 20, 2026: 100% uptime, 1 incident (Partial outage)Oct 21, 2026: 100% uptime, 1 incident (Degraded performance)Oct 22, 2026: no incidentsOct 23, 2026: 100% uptime, 1 incident (Degraded performance)Oct 24, 2026 – Oct 30, 2026: no incidentsOct 31, 2026: 100% uptime, 1 incident (Major outage)Nov 1, 2026 – Nov 2, 2026: no incidents
90 days ago100% average daily uptimeToday

Semaphore

Aug 5, 2026 – Aug 17, 2026: no incidentsAug 18, 2026: 98.32% uptime, 1 incident (Degraded performance)Aug 19, 2026 – Aug 20, 2026: no incidentsAug 21, 2026: 96.75% uptime, 1 incident (Partial outage)Aug 22, 2026 – Aug 24, 2026: no incidentsAug 25, 2026: 96.12% uptime, 1 incident (Degraded performance)Aug 26, 2026: no incidentsAug 27, 2026: 94.88% uptime, 2 incidents (Major outage)Aug 28, 2026: 98.82% uptime, 1 incident (Degraded performance)Aug 29, 2026 – Aug 30, 2026: no incidentsAug 31, 2026: 57.98% uptime, 1 incident (Major outage)Sep 1, 2026: no incidentsSep 2, 2026: 92.59% uptime, 2 incidents (Degraded performance)Sep 3, 2026: 89.57% uptime, 1 incident (Degraded performance)Sep 4, 2026 – Sep 14, 2026: no incidentsSep 15, 2026: 98.73% uptime, 1 incident (Degraded performance)Sep 16, 2026: no incidentsSep 17, 2026: 97.79% uptime, 2 incidents (Partial outage)Sep 18, 2026 – Oct 12, 2026: no incidentsOct 13, 2026: 94.61% uptime, 2 incidents (Degraded performance)Oct 14, 2026: 98.66% uptime, 1 incident (Degraded performance)Oct 15, 2026 – Oct 20, 2026: no incidentsOct 21, 2026: 97.64% uptime, 1 incident (Degraded performance)Oct 22, 2026: 98.59% uptime, 1 incident (Degraded performance)Oct 23, 2026 – Oct 25, 2026: no incidentsOct 26, 2026: 98.11% uptime, 2 incidents (Degraded performance)Oct 27, 2026: 98.18% uptime, 1 incident (Degraded performance)Oct 28, 2026: no incidentsOct 29, 2026: 99.28% uptime, 1 incident (Degraded performance)Oct 30, 2026: 99.82% uptime, 1 incident (Degraded performance)Oct 31, 2026 – Nov 2, 2026: no incidents
90 days ago98.961% average daily uptimeToday

Recent GitLab incidents

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Recent Semaphore incidents

Full Semaphore reliability report →

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