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GitLab vs Jenkins

GitLab logo

GitLab

Technology

The One DevOps Platform

From
Free
Rated
-
Full reviewWebsite
Jenkins logo

Jenkins

Technology

A self-hosted automation server that can build almost anything, through a plugin ecosystem that is also its main liability.

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: GitLab baseline requires 8 vCPU and 16 GB RAM for single-node installations; resource-intensive; 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.
  • They diverge on capability: GitLab covers Git repository management, Jenkins covers Plugin ecosystem.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which GitLab and Jenkins actually diverge.

Attributes where GitLab and Jenkins differ
AttributeGitLabJenkins
PlatformsLinux, Kubernetes, Docker, Cloud (AWS, GCP, Azure)Linux, Windows, Macos, Docker

Identical on both: starting price (Free), pricing model (open-source), free tier (Yes), user rating (Not yet rated), category (Technology), founded (2011).

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 GitLab

  • Git repository management
  • CI/CD pipelines
  • Issue tracking
  • Code review
  • Wiki
  • Container registry
  • Security scanning
  • Monitoring

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.

GitLab

  • Git repository management and version controlnot Jenkins
  • CI/CD pipeline automationnot Jenkins
  • DevOps and release managementnot Jenkins
  • Security and compliance workflowsnot Jenkins

Jenkins

  • Builds that must touch physical hardware, such as embedded devices, test rigs or signing modules attached to a specific machinenot GitLab
  • Air-gapped or heavily regulated environments where a hosted CI runner cannot be used at allnot GitLab
  • Toolchains that hosted CI does not support, including node-locked commercial licences for EDA, CAD or simulation softwarenot GitLab
  • Organisations with years of existing Jenkins pipelines where the migration cost currently outweighs the operational cost of stayingnot GitLab

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

GitLab

  • Baseline requires 8 vCPU and 16 GB RAM for single-node installations; resource-intensive
  • PostgreSQL is mandatory; no support for alternative databases
  • Redis or Valkey cache required; adds infrastructure complexity
  • High-availability deployments require inter-node latency below 5 ms; difficult to achieve across geographically distributed sites
  • Requires self-hosting and maintenance; GitLab.com SaaS only available to GitLab team members for administration

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

GitLab

Free

No published plan breakdown. See the GitLab review.

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 GitLab if

  • You need git repository management.
  • You want to start without paying.
  • You work on Linux, Kubernetes, Docker, Cloud (AWS, GCP, Azure).
  • You also want ci/cd pipelines.
GitLab review

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.
Jenkins review

Questions people ask

Is GitLab or Jenkins better?
Neither clearly leads. GitLab 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, GitLab or Jenkins?
GitLab starts at Free and Jenkins at Free.
Does GitLab or Jenkins run on more platforms?
GitLab runs on Linux, Kubernetes, Docker, Cloud (AWS, GCP, Azure). Jenkins runs on Linux, Windows, Macos, Docker.
Can I use GitLab for free?
Both have a free tier, so you can try either at no cost before committing.
What is GitLab best used for?
GitLab is most often used for git repository management and version control, ci/cd pipeline automation, devops and release management, security and compliance workflows. Of those, git repository management and version control and ci/cd pipeline automation are not what Jenkins is typically brought in for.
What can GitLab do that Jenkins cannot?
GitLab covers Git repository management, CI/CD pipelines, Issue tracking, Code review. Jenkins covers Plugin ecosystem, Distributed agents, Declarative and scripted pipelines, Shared libraries.

Answered from the vendors’ own pages

Jenkins: 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.

Jenkins: 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.

Jenkins: 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.

Jenkins: 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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