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Cloud · head to head

Cilium vs GitLab CI/CD

Cilium logo

Cilium

Cloud

eBPF-based networking, observability and security for Kubernetes

From
Free
Free plan
Yes
Full reviewWebsite
GitLab CI/CD logo

GitLab CI/CD

Developer Tools

Automatically build, test, deploy, and monitor your applications with GitLab CI/CD

From
Free
Free plan
Yes
Full reviewWebsite

The short version

  • Each has a real cost: Cilium requires a recent Linux kernel, which rules out older distributions and some managed environments; GitLab CI/CD compute minute quotas for Premium and Ultimate tiers not disclosed in documentation
  • Prices and features above were last checked on 29 August 2026.

Where they differ

Only the attributes on which Cilium and GitLab CI/CD actually diverge.

Attributes where Cilium and GitLab CI/CD differ
AttributeCiliumGitLab CI/CD
Pricing modelOpen source, no licence feefreemium
PlatformsKubernetes, LinuxWeb
CategoryCloudDeveloper Tools

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 Cilium

  • eBPF datapath
  • Identity-based policy
  • Hubble observability
  • Sidecar-free mesh

Only in GitLab CI/CD

Nothing recorded that Cilium does not also cover.

What people use each for

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

Cilium

  • Kubernetes networking at a scale where iptables-based CNI performance degradesnot GitLab CI/CD
  • Network policy expressed on workload identity rather than fragile IP rulesnot GitLab CI/CD
  • Seeing which services actually talk to each other, and what policy is droppingnot GitLab CI/CD

GitLab CI/CD

  • Reducing open source project infrastructure costs with public project discountsnot Cilium
  • Enforcing monthly CI/CD spending limits and quota notificationsnot Cilium
  • Allocating compute minutes to open source contributors affordablynot Cilium
  • Forecasting CI/CD spending patterns across multiple projectsnot Cilium
  • Providing private runners for cost control without owning infrastructurenot Cilium

Where each one falls short

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

Cilium

  • Requires a recent Linux kernel, which rules out older distributions and some managed environments
  • eBPF is genuinely hard to debug when it misbehaves, and the skill is rare on most teams
  • Broad scope — CNI, policy, mesh, observability — means the learning curve covers several domains at once

GitLab CI/CD

  • Compute minute quotas for Premium and Ultimate tiers not disclosed in documentation
  • Additional compute minutes beyond quota incur charges; exact pricing not specified

Pricing, plan by plan

Cilium

Free
  • CiliumFree
    • Full functionality
    • No usage limits
    • Community support

GitLab CI/CD

Free
  • FreeFree
    • 400 compute minutes per month for free tier namespaces
    • Linux x86-64 runners at 1x cost factor
  • Premium$null/tiered
    • Higher monthly compute minute quotas than free tier
    • Additional compute minutes available for purchase
  • Ultimate$null/tiered
    • Highest monthly compute minute allocations
    • Additional compute minutes available for purchase

Which should you pick?

Choose Cilium if

  • You need ebpf datapath.
  • You want to start without paying.
  • You work on Kubernetes, Linux.
  • You also want identity-based policy.
Cilium review

Choose GitLab CI/CD if

  • You want to start without paying.
GitLab CI/CD review

Questions people ask

Is Cilium or GitLab CI/CD better?
Neither clearly leads. Cilium starts at Free and GitLab CI/CD at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Cilium or GitLab CI/CD?
Cilium starts at Free and GitLab CI/CD at Free.
Does Cilium or GitLab CI/CD run on more platforms?
Cilium runs on Kubernetes, Linux. GitLab CI/CD runs on Web.
Can I use Cilium for free?
Both have a free tier, so you can try either at no cost before committing.
What is Cilium best used for?
Cilium is most often used for kubernetes networking at a scale where iptables-based cni performance degrades, network policy expressed on workload identity rather than fragile ip rules, seeing which services actually talk to each other, and what policy is dropping. Of those, kubernetes networking at a scale where iptables-based cni performance degrades and network policy expressed on workload identity rather than fragile ip rules are not what GitLab CI/CD is typically brought in for.
What can Cilium do that GitLab CI/CD cannot?
Cilium covers eBPF datapath, Identity-based policy, Hubble observability, Sidecar-free mesh.

Answered from the vendors’ own pages

Cilium: Is Cilium free?

Yes, open source and CNCF-graduated. Isovalent sells an enterprise distribution and support.

GitLab CI/CD: How many GitLab CI compute minutes does the free tier include?

The free tier of GitLab CI includes 400 compute minutes per month for free tier namespaces on GitLab.com.

Source
Cilium: What does eBPF change?

It lets Cilium run packet-processing programs inside the kernel instead of relying on iptables rule chains, which behave poorly as the number of services grows.

GitLab CI/CD: What is the cost factor for different GitLab CI runner types?

Linux x86-64 small runners cost 1x; medium runners cost 2x; large runners cost 3x. macOS and Windows runners have cost factors of 6-12x and are in beta status.

Source
Cilium: Does Cilium replace a service mesh?

It can cover much of what a mesh does without sidecars, though full mesh feature sets still favour Istio or Linkerd.

GitLab CI/CD: Do public open-source projects get discounts on GitLab CI compute minutes?

Public open-source projects receive a 0.5x discount on compute minutes. Public forks of GitLab open-source projects receive a 0.008x discount.

Source
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