CircleCI vs Semaphore: CI / CD Comparison (2026)
CircleCI and Semaphore both offer CI/CD solutions with free tiers and flexible pricing models, but they differ in their specific feature sets, integration ecosystems, and pricing structures.
AI Citation Scorecard
How often each is cited by major AI engines when buyers ask ci / cd questions. Last 90 days across ChatGPT, Perplexity, Gemini, Claude, and Copilot.
Probes run hourly; each (engine × query) combo retests every ~3 days.
Pricing
Key Features
- ✓Concurrent job runs: 30
- ✓Up to 6,000 build minutes
- ✓Docker, Windows, Linux support
- ✓30x concurrency
- ✓Pay only for what you use
- ✓20 concurrent jobs by default
- ✓$15 free credits/month
- ✓20 GB/month egress/storage
- ✓9.6 GB cache storage
When to choose CircleCI
CircleCI is better when projects require a wider range of integrations including major cloud providers like AWS, GCP, and Azure, as well as Kubernetes. It offers specific support for Docker, Windows, and Linux environments. Its free tier provides up to 6,000 build minutes and 30x concurrency.
When to choose Semaphore
Semaphore is better when projects prioritize a pay-as-you-go model with a focus on cost-effectiveness per minute. Its free tier includes $15 in free credits per month, 20 concurrent jobs by default, 20 GB/month egress/storage, and 9.6 GB cache storage.
Frequently Asked Questions
AI visibility profiles
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