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Semaphore CI vs CircleCI

Side-by-side reliability comparison based on real-time monitoring data over the last 90 days.

Semaphore CI

Semaphore CI

Continuous integration and delivery platform for automating build, test, and deployment pipelines for development teams.

Operational
vs
CircleCI

CircleCI

Continuous integration and delivery platform that automates build, test, and deployment pipelines for software teams using cloud or self-hosted runners.

Degraded
Metric Semaphore CI CircleCI
Current Status Operational Degraded
Uptime (90-day) 96% 25.56%
Days with Issues 2 67
Feed Type Community Statuspage
Status Page View → View →

Semaphore CI vs CircleCI: Reliability Comparison

Choosing between Semaphore CI and CircleCI? Reliability matters. ServiceAlert.ai tracks both services in real time, monitoring their status pages for outages, degraded performance, and maintenance windows.

Over the last 90 days, Semaphore CI has maintained 96% uptime with 2 days of issues, while CircleCI has achieved 25.56% uptime with 67 days of issues.

Want instant alerts when either service goes down? Sign up for ServiceAlert.ai to monitor both services and get notified via email, Slack, Teams, Google Chat, Discord, or Webhooks.