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Flagsmith vs Jenkins

Flagsmith logo

Flagsmith

Software

Open-source feature flag and remote config platform

From
Free
Rated
-
Full reviewWebsite
Jenkins logo

Jenkins

Software

The leading open source automation server

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Flagsmith the Free plan supports only a single team member, limiting collaboration for small teams.; Jenkins described by the vendor as the leading open source automation server and a community-driven project, with no commercial edition or license fee
  • They diverge on capability: Flagsmith covers Feature flags, Jenkins covers Continuous integration.

Where they differ

Only the attributes on which Flagsmith and Jenkins actually diverge.

Attributes where Flagsmith and Jenkins differ
AttributeFlagsmithJenkins
Pricing modelfreemiumopen-source
Platformsweb, apiLinux, Windows, Macos, Docker
FoundedUnknown2011

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated), category (Unknown).

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 Flagsmith

  • Feature flags
  • Segments
  • A/B testing
  • Scheduled flags
  • SDKs
  • SAML/SSO

Only in Jenkins

  • Continuous integration
  • Continuous delivery
  • Pipeline as code
  • Distributed builds
  • Plugin ecosystem
  • REST API
  • CLI tools
  • Build triggers

What people use each for

The jobs each tool is most often brought in to do.

Flagsmith

  • Gradual feature rollouts across environmentsnot Jenkins
  • Remote configuration without redeploying codenot Jenkins
  • Running A/B tests tied to feature flagsnot Jenkins
  • Self-hosting feature flags for data residency requirementsnot Jenkins

Jenkins

  • CI/CD pipelinesnot Flagsmith
  • Automated testingnot Flagsmith
  • Build automationnot Flagsmith
  • Deployment automationnot Flagsmith
  • Infrastructure as codenot Flagsmith

Where each one falls short

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

Flagsmith

  • The Free plan supports only a single team member, limiting collaboration for small teams.
  • Exceeding request limits triggers overage charges after a one-time 30-day grace period.
  • Enterprise-grade SSO and governance are locked behind the Scale-Up and Enterprise tiers.
  • Self-hosting requires operating and updating the platform yourself, unlike a fully managed SaaS competitor.

Jenkins

  • Described by the vendor as the leading open source automation server and a community-driven project, with no commercial edition or license fee

Pricing, plan by plan

Flagsmith

Free
  • FreeFree
    • Up to 50,000 requests/month
    • 1 team member
    • Unlimited feature flags, environments, identities and segments
  • Start-Up$45/month
    • Up to 1,000,000 requests/month
    • 3 team members
    • Scheduled flags, 2FA, A/B testing, integrations, email support
  • Scale-Up$300/month
    • 5,000,000+ requests/month
    • 5-20 team members
    • SAML/SSO, governance features, priority support

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 Flagsmith if

  • You need feature flags.
  • You want to start without paying.
  • You work on web, api.
  • You also want segments.
Flagsmith review

Choose Jenkins if

  • You need continuous integration.
  • You want to start without paying.
  • You work on Linux, Windows, Macos, Docker.
  • You also want continuous delivery.
Jenkins review

Questions people ask

Is Flagsmith or Jenkins better?
Neither clearly leads. Flagsmith 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, Flagsmith or Jenkins?
Flagsmith starts at Free and Jenkins at Free.
Does Flagsmith or Jenkins run on more platforms?
Flagsmith runs on web, api. Jenkins runs on Linux, Windows, Macos, Docker.
Can I use Flagsmith for free?
Both have a free tier, so you can try either at no cost before committing.
What is Flagsmith best used for?
Flagsmith is most often used for gradual feature rollouts across environments, remote configuration without redeploying code, running a/b tests tied to feature flags, self-hosting feature flags for data residency requirements. Of those, gradual feature rollouts across environments and remote configuration without redeploying code are not what Jenkins is typically brought in for.
What can Flagsmith do that Jenkins cannot?
Flagsmith covers Feature flags, Segments, A/B testing, Scheduled flags. Jenkins covers Continuous integration, Continuous delivery, Pipeline as code, Distributed builds.

Answered from the vendors’ own pages

Flagsmith: What does Flagsmith cost?

Flagsmith has a Free plan, a Start-Up plan from $40-45/month, a Scale-Up plan from $250-300/month, and custom Enterprise pricing.

Source
Flagsmith: Is there a free plan, and what are its limits?

The Free plan supports up to 50,000 requests per month and 1 team member, with unlimited feature flags, environments, identities and segments.

Source
Flagsmith: How is usage metered?

Usage is metered by monthly API requests; exceeding a plan's limit triggers overage charges starting around $50 per million requests, with a 30-day grace period the first time a paid plan exceeds its limit.

Source
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