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Compare anything, side by side
Pick up to 4 ci/cd and we'll lay out their specifications side by side. Apples to apples only — once you pick the first item, the picker locks to its category so you don't end up comparing Selenium with OWASP Top 10.
×
Jenkins
Jenkins Project
Open Source
Free Tier
Self-Hosted
Most-deployed open-source automation server.
Visit website ↗
×
CircleCI
CircleCI
Commercial
Free Tier
Cloud / SaaS
Cloud-native CI/CD with strong parallelisation.
Visit website ↗Side-by-side
Specification comparison
Schema: Tools. Missing values are marked "Not available yet" — those are next on our research list.
Rating key:
Positive / Free / Fast
Limited / Moderate
Difficult / Steep
Informational
| Attribute | ||
|---|---|---|
| Pricing | Free |
Free
(6,000 credits/mo); Performance from $15/mo
|
| Free tier / OSS |
100%
open source
|
Yes
— 6,000 free credits/month
|
| License | MIT |
Commercial
(SaaS) / Server (on-prem)
|
| Testing type | CI/CD | CI/CD |
| Languages / SDKs | Groovy (Pipeline DSL), shell | YAML pipeline definition |
| Supported platforms | Self-hosted on any OS / Docker / Kubernetes | SaaS, self-hosted (CircleCI Server) |
| Parallel testing |
Yes
— parallel pipeline stages & agents
|
Yes
— test splitting & parallelism
|
| Speed |
Moderate
— depends on agent configuration
|
Very fast
— optimised resource classes
|
| Key integrations | 1800+ plugins across the toolchain | GitHub, Bitbucket, Slack, Jira, AWS, GCP, Azure |
| Learning curve | Moderate | Easy |
| Community / Support |
Massive,
longest-running CI/CD project
|
Large;
active developer community
|
| Maintained by | Jenkins community / CD Foundation | CircleCI |
| First released | 2011 (forked from Hudson, 2005) | 2011 |
| Latest version | See website | See website |
| Best suited for | Teams needing total control & on-prem CI/CD | Cloud-first teams needing fast, scalable CI/CD |
| Official site | www.jenkins.io ↗ | circleci.com ↗ |
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