Jenkins vs CircleCI: Developer Tools Compared (2026)
Jenkins and CircleCI are two widely compared developer tools. Jenkins is a free, open-source automation server for building, testing and deploying software, extended by a large plugin ecosystem and run on your own infrastructure. CircleCI is a cloud CI/CD platform that runs builds and tests on Docker, Linux, Windows, macOS and GPU machines, priced by compute credits.
- Verified 10 Nov 2026Sources are dated on this page
- 2 sourcesLinked, typed and dated
- No winner declaredFit depends on your criteria
- Not tested by Stack18Editorial summary of documented facts
Jenkins vs CircleCI: the short answer
Jenkins is a free, open-source automation server for building, testing and deploying software, extended by a large plugin ecosystem and run on your own infrastructure. CircleCI is a cloud CI/CD platform that runs builds and tests on Docker, Linux, Windows, macOS and GPU machines, priced by compute credits. Both are developer tools, but they differ in pricing model, target team size and focus.
On pricing, Jenkins is described as: free open source; you pay for infrastructure and staff; CircleCI as: monthly plan plus usage credits; Scale annual. Both have a free option. Jenkins lists a free option: open source. CircleCI lists a free plan. Jenkins is positioned for teams that need maximum CI flexibility on their own infrastructure, and CircleCI for teams wanting fast, flexible hosted CI with macOS and GPU options.
Everything below is drawn from the two sourced profiles and the 2 dated sources listed at the end. Where a source does not document something it is marked Unknown, and third-party estimates are labelled. No winner is declared: the better fit depends on your size, budget and requirements.
Jenkins and CircleCI at a glance.
One card per product, drawn from each full profile. Open a profile for features, pricing plans, limits and sources.
Jenkins
Jenkins project (CD Foundation) · Developer Tools
Jenkins is a free, open-source automation server for building, testing and deploying software, extended by a large plugin ecosystem and run on your own infrastructure.
- Pricing
- Free software; infrastructure estimated around $560 a month for a medium AWS setup.
- Best for
- Teams that need maximum CI flexibility on their own infrastructure
CircleCI
CircleCI · Developer Tools
CircleCI is a cloud CI/CD platform that runs builds and tests on Docker, Linux, Windows, macOS and GPU machines, priced by compute credits.
- Pricing
- Free (30,000 credits a month); Performance from $15 a month; Scale custom.
- Best for
- Teams wanting fast, flexible hosted CI with macOS and GPU options
Jenkins vs CircleCI: feature-by-feature comparison.
Every row is drawn from the sources listed below. Rows that differ are marked, and you can filter the table to show only those.
- YesDocumented
- PartialAvailable with limits or on some plans
- NoDocumented as unavailable
- UnknownNot documented in the sources reviewed
| Dimension |  Jenkins |  CircleCI |
|---|---|---|
| Product | ||
| Product typeDiffers | YesOpen-source automation server | YesCI/CD platform |
| VendorDiffers | YesJenkins project (CD Foundation) | YesCircleCI |
| Best forDiffers | YesTeams that need maximum CI flexibility on their own infrastructure | YesTeams wanting fast, flexible hosted CI with macOS and GPU options |
| Pricing | ||
| Pricing modelDiffers | YesFree open source; you pay for infrastructure and staff. | YesMonthly plan plus usage credits; Scale annual. |
| Pricing summaryDiffers | PartialFree software; infrastructure estimated around $560 a month for a medium AWS setup. | YesFree (30,000 credits a month); Performance from $15 a month; Scale custom. |
| Free planDiffers | YesYes (open source) | YesYes |
| Free trialDiffers | NoNot applicable | NoNot documented |
| Developer Tools criteria | ||
| Tool typeDiffers | YesCI/CD automation server | YesCI/CD |
| Free tierDiffers | YesFree (open source) | YesYes (30,000 credits) |
| Paid fromDiffers | YesInfrastructure only | Yes$15/mo |
| Pricing modelDiffers | YesOpen source | YesUsage credits |
| Self-hostingDiffers | YesYes (only) | YesServer edition |
| Fit and platform | ||
| Team size | YesSmall teams, Mid-size teams, Large enterprises | YesSmall teams, Mid-size teams, Large enterprises |
| PlatformsDiffers | YesSelf-hosted, Windows, macOS, Linux, Docker | YesWeb |
| IntegrationsDiffers | Yes2,000+ plugins, Git providers, Kubernetes | YesGitHub, GitLab, Bitbucket |
| API | UnknownNot reviewed for this profile. | UnknownNot reviewed for this profile. |
Jenkins vs CircleCI pricing.
Plan names, prices and billing terms as reported in each profile's sources. Taxes, add-ons and discounts are excluded unless stated.
Jenkins pricing
Free open source; you pay for infrastructure and staff.
- JenkinsFree · Open source
- CloudBees (enterprise)Quote · Annual
Prices from independent sources; treat as reported. Infrastructure cost is a third-party estimate. Currency: USD. Checked 10 Nov 2026.
All Jenkins plans and sources
CircleCI pricing
Monthly plan plus usage credits; Scale annual.
- Free$0 · Free
- PerformanceFrom $15 per month · Monthly
- ScaleCustom · Annual
Prices from a vendor-published source. Per-resource-class credit rates are listed on a separate price list. Currency: USD. Checked 10 Nov 2026.
All CircleCI plans and sourcesJenkins vs CircleCI: pricing model, ecosystem and fit.
Pricing model and cost drivers
Jenkins: free open source; you pay for infrastructure and staff. Infrastructure cost is a third-party estimate. CircleCI: monthly plan plus usage credits; Scale annual. Per-resource-class credit rates are listed on a separate price list. Model costs at your real seat count, usage and contract term before comparing headline prices.
What sets each apart
The Jenkins profile highlights: free and open source; over 2,000 plugins; fully self-hosted. The CircleCI profile highlights: credit-based usage pricing; macOS and GPU resource classes; server edition.
Integrations and ecosystem
Jenkins integrations named in its sources: 2,000+ plugins, Git providers and Kubernetes. CircleCI: GitHub, GitLab and Bitbucket. Check that the connectors you rely on exist on the plan you would buy.
Deployment and team fit
Jenkins runs on Self-hosted, Windows, macOS, Linux and Docker and is documented for small teams, mid-size teams and large enterprises. CircleCI runs on Web and is documented for small teams, mid-size teams and large enterprises. We did not test setup or migration.
Jenkins and CircleCI: each option, in balance.
Each point is linked to a dated source on the product's profile.
Jenkins
Strengths and limitations from the profile
- No licence fee (MIT).
- Over 2,000 plugins.
- Full control on your own infrastructure.
- Infrastructure and maintenance costs are yours.
- Plugin conflicts and abandoned plugins.
- Needs ongoing security patching.
CircleCI
Strengths and limitations from the profile
- Free plan with 30,000 credits a month.
- macOS, Windows and GPU resource classes.
- Purchased credits roll over for 12 months.
- Included credits do not roll over.
- Extra users cost $15 a month on Performance.
- Scale pricing is custom.
Jenkins or CircleCI: which fits which situation?
No overall winner is declared. The better choice depends on the criteria that matter most to you, so test both against your own requirements.
Choose Jenkins if you are…
- Teams that need maximum CI flexibility on their own infrastructure
- On-premises and regulated environments
- Complex legacy pipelines
Less suited to: small teams without DevOps staff; teams wanting managed CI.
See the Jenkins profile
Choose CircleCI if you are…
- Teams wanting fast, flexible hosted CI with macOS and GPU options
- Startups using the free plan
- Teams outgrowing GitHub Actions minutes
Less suited to: teams wanting CI bundled with code hosting; fully air-gapped teams (consider Server).
See the CircleCI profileSwitching between Jenkins and CircleCI.
Moving off Jenkins or CircleCI means migrating repositories, pipelines, configuration, secrets and history, updating integrations and webhooks, and retraining the team. Run both in parallel for at least one release cycle before switching off the old tool. Move one real service or repository end to end to each shortlisted tool and measure setup time, cost and reliability.
- Export a sample of your data and test an import into the other product.
- List the automations, integrations and permissions you would need to rebuild.
- Compare total cost at your real volume, including add-ons and services.
- Pilot with one team before a full cut-over.
- Check contract terms and notice periods with both vendors.
General guidance, not specific to either vendor. Confirm migration options with the vendors.
Jenkins vs CircleCI: questions and answers
What is the difference between Jenkins and CircleCI?
Jenkins is a free, open-source automation server for building, testing and deploying software, extended by a large plugin ecosystem and run on your own infrastructure. CircleCI is a cloud CI/CD platform that runs builds and tests on Docker, Linux, Windows, macOS and GPU machines, priced by compute credits. Both are developer tools, but they differ in pricing model, target team size and focus. Jenkins is positioned for teams that need maximum CI flexibility on their own infrastructure; CircleCI for teams wanting fast, flexible hosted CI with macOS and GPU options.
Is Jenkins cheaper than CircleCI?
It depends on your volume and plan. Jenkins: Free software; infrastructure estimated around $560 a month for a medium AWS setup. CircleCI: Free (30,000 credits a month); Performance from $15 a month; Scale custom. Compare both at your real seat count, usage and contract term.
Do Jenkins or CircleCI have a free plan?
Both have a free option. Jenkins lists a free option: open source. CircleCI lists a free plan. Jenkins free trial: Not applicable. CircleCI free trial: Not documented.
Jenkins or CircleCI: which is better for small teams?
Jenkins and CircleCI are both documented for small teams. Jenkins suits teams that need maximum CI flexibility on their own infrastructure; CircleCI suits teams wanting fast, flexible hosted CI with macOS and GPU options. Neither is best for everyone.
What are the main limitations of Jenkins and CircleCI?
Jenkins: Infrastructure and maintenance costs are yours. CircleCI: Included credits do not roll over.
Is Jenkins free?
Yes, Jenkins is open source under the MIT licence; you pay for infrastructure and maintenance.
How much does CircleCI cost?
Free includes 30,000 credits a month; Performance starts at $15 a month with extra credits at $15 per 25,000.
What are the alternatives to Jenkins and CircleCI?
Stack18 has alternatives guides for both: Jenkins alternatives and CircleCI alternatives, each comparing at least four other developer tools on pricing, free plan, features and fit. The Developer Tools category lists every profile.
Where this comparison comes from.
- A complete guide to Jenkins pricing in 2026 eesel AI Third-party Accessed 10 Nov 2026
- CircleCI pricing CircleCI Official Accessed 10 Nov 2026
This comparison summarises the Jenkins and CircleCI profiles and their sources. Third-party figures are labelled; confirm current pricing and terms with each vendor. Stack18 has not tested these products.
Ready to test Jenkins and CircleCI?
Check each vendor's current pricing and terms, run both against a real scenario from your business, or talk to Stack18 if off-the-shelf software is not the answer.
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