Developer Tools · head to head
Buildkite vs Jenkins
Buildkite
Developer Tools
CI/CD pipelines that run on your own compute
- From
- Free
- Free plan
- Yes
Jenkins
Technology
A self-hosted automation server that can build almost anything, through a plugin ecosystem that is also its main liability.
- From
- Free
- Free plan
- Yes
The short version
- Each has a real cost: Buildkite free plan caps at 5 users and 10 concurrent jobs, with 2,000 Linux vCPU minutes per month and 30 day build retention; Jenkins the controller is stateful and, in the open source distribution, has no high availability: build history, configuration and plugin state live on one filesystem, so every plugin upgrade and core update is downtime for every team using it, and a controller disk failure is a restore-from-backup event.
- Prices and features above were last checked on 30 August 2026.
Where they differ
Only the attributes on which Buildkite and Jenkins actually diverge.
Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated).
What each one covers
Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.
Only in Buildkite
Nothing recorded that Jenkins does not also cover.
Only in Jenkins
- Plugin ecosystem
- Distributed agents
- Declarative and scripted pipelines
- Shared libraries
- Configuration as Code
- Credentials management
- Self-hosted anywhere
- Multibranch and organisation folders
What people use each for
The jobs each tool is most often brought in to do.
Buildkite
- CI/CD pipeline automationnot Jenkins
- Test execution at scalenot Jenkins
- Deployment automationnot Jenkins
Jenkins
- Builds that must touch physical hardware, such as embedded devices, test rigs or signing modules attached to a specific machinenot Buildkite
- Air-gapped or heavily regulated environments where a hosted CI runner cannot be used at allnot Buildkite
- Toolchains that hosted CI does not support, including node-locked commercial licences for EDA, CAD or simulation softwarenot Buildkite
- Organisations with years of existing Jenkins pipelines where the migration cost currently outweighs the operational cost of stayingnot Buildkite
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
Buildkite
- Free plan caps at 5 users and 10 concurrent jobs, with 2,000 Linux vCPU minutes per month and 30 day build retention
- Pro plan is $30 per active user per month, capped at 50 users, with only 10 of the up to 250 concurrent agents included before extra usage
- Enterprise plan enforces a 30 user minimum even though pricing itself is custom
- Hosted compute beyond included minutes is metered at $0.004 per vCPU minute on Linux and $0.02 per vCPU minute on Mac
Jenkins
- The controller is stateful and, in the open source distribution, has no high availability: build history, configuration and plugin state live on one filesystem, so every plugin upgrade and core update is downtime for every team using it, and a controller disk failure is a restore-from-backup event.
- Capability comes from around 1,900 community plugins of very uneven maintenance, and the Jenkins security team regularly publishes advisories for plugins whose maintainer has gone; in some cases the advisory itself states that no fix is available and the only remedy is to stop using it.
- Plugin upgrades are coupled: one plugin can require a newer core or a newer version of another plugin, so applying a single security fix cascades into a coordinated upgrade of a dozen components on a timetable you did not choose.
- Pipelines are Groovy running under a sandbox and a continuation-passing-style transformation, so ordinary Groovy constructs sometimes fail in non-obvious ways, and the debugging skill you build transfers to no other CI system.
- It is free to licence and expensive to run: somebody must own the controller, the agents, the Java version, the credentials store and the plugin upgrade cycle, and that recurring staff cost is the usual reason organisations move to hosted CI even when Jenkins works.
- Leaving is costly by construction, because shared libraries, plugin-specific pipeline steps and accumulated freestyle jobs have no mechanical translation into GitHub Actions or GitLab CI, so the migration is a rewrite whose price grows every year you defer it.
Pricing, plan by plan
Buildkite
Free- FreeFree
- Up to 5 users
- 10 concurrent jobs
- 2000 Linux vCPU minutes monthly
- Pro$30/month
- Up to 50 users
- 250 concurrent agents (10 included)
- 4000 Linux vCPU minutes monthly
- Enterprise$null/custom
- Unlimited users (30 minimum)
- Custom usage limits
- Full platform access
Jenkins
Free- Open SourceFree
- Unlimited builds
- 1000+ plugins
- Self-hosted
- CloudBees CI$undefined/month
- Enterprise features
- High availability
- Role-based access
Which should you pick?
Choose Jenkins if
- You need plugin ecosystem.
- You want to start without paying.
- You work on Linux, Windows, Macos, Docker.
- You also want distributed agents.
Questions people ask
- Is Buildkite or Jenkins better?
- Neither clearly leads. Buildkite starts at Free and Jenkins at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, Buildkite or Jenkins?
- Buildkite starts at Free and Jenkins at Free.
- Does Buildkite or Jenkins run on more platforms?
- Buildkite runs on Web. Jenkins runs on Linux, Windows, Macos, Docker.
- Can I use Buildkite for free?
- Both have a free tier, so you can try either at no cost before committing.
- What is Buildkite best used for?
- Buildkite is most often used for ci/cd pipeline automation, test execution at scale, deployment automation. Of those, ci/cd pipeline automation and test execution at scale are not what Jenkins is typically brought in for.
- What can Buildkite do that Jenkins cannot?
- Jenkins covers Plugin ecosystem, Distributed agents, Declarative and scripted pipelines, Shared libraries.
Answered from the vendors’ own pages
Buildkite: Can I use Buildkite without paying?
Yes, Buildkite offers a free plan that includes up to 5 users, 10 concurrent jobs, 2000 Linux vCPU minutes monthly, and 250k test executions per month at no cost.
SourceJenkins: Why choose Jenkins over GitHub Actions or GitLab CI?
When the build needs something hosted runners cannot give you: physical hardware, an air-gapped network, a node-locked commercial tool licence, or an unusual platform. If none of those apply, hosted CI is usually less work to own.
Buildkite: What happens if I exceed my included compute minutes on Buildkite?
Hosted agent compute is charged separately at $0.004 per Linux vCPU minute and $0.02 per Mac vCPU minute, billed to the second with no minimums.
SourceJenkins: Can Jenkins run in high availability?
Not in the open source distribution, which runs a single active controller. High availability and active-active controllers are features of CloudBees' commercial products. Open source deployments mitigate it with fast restores and, sometimes, multiple independent controllers.
Buildkite: Do I need an annual commitment for Buildkite's Pro plan?
No, Buildkite's Pro plan is billed monthly at $30 per active user with no long-term contract required. All tiers include a 30-day all-access trial.
SourceJenkins: How risky are the plugins?
This is the main operational risk. Many plugins have a single volunteer maintainer, and Jenkins publishes security advisories for unmaintained plugins where no fix exists. Auditing which plugins you depend on and who maintains them should be a periodic task, not a one-off.
Buildkite: What user limits apply to each Buildkite plan?
Free plan supports up to 5 users, Pro plan supports up to 50 users, and Enterprise plan provides unlimited users with a 30-user minimum.
SourceJenkins: Do I need to know Groovy?
For declarative pipelines you can go a long way without it. Anything involving shared libraries, conditional logic or custom steps is Groovy, and it runs in a sandboxed, transformed environment where standard Groovy idioms sometimes behave unexpectedly.
Jenkins: What does it cost?
The software is free under the MIT licence. The cost is infrastructure and staff time to run controllers, agents and upgrades, plus a CloudBees subscription if you want high availability, support or centralised management of many controllers.
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