Comparison

Cilium vs Linkerd

No clear leader: Linkerd (57.2) and Cilium (54.8) are within the 5-point margin; treat as a tie. The attribute-by-attribute breakdown below, with a source and date on every value, is the honest way to compare them.

Machine formatsMarkdownJSONGraphQLAll open, no key required.
Cilium55
Linkerd57
Score
vioscaleAI score
Cilium55 / 100medium · 55%
Linkerd57 / 100medium · 54%
Pricing
Free tier
Cilium
Linkerd
Model
Price level
Ciliumfree
Linkerdfree
Transparent
Cilium
Linkerd
Integrations
Count
Cilium3
Linkerd6
Adoption
Dependent repos
Cilium103
Linkerd19
Github stars
Cilium25,092
Linkerd11,488
Activity
Commits last 30d
Cilium100
Linkerd66
Release
Cadence days
Cilium5
Linkerd7
History
Cilium20 items
Linkerd20 items
License
Spdx
Language
Primary
CiliumGo
LinkerdGo
Content
Faq
Cilium6 items
Linkerd6 items

Capabilities

Feature-by-feature on the axes that matter for service mesh. “-” means undocumented, not absent.

Architecture
Data plane
CiliumSidecarless (eBPF)
LinkerdSidecar
Proxy
CiliumEnvoy
Linkerdlinkerd2-proxy
Security
Automatic mutual TLS
Cilium-
Linkerd
SPIFFE / SPIRE identity
Cilium
Linkerd-
Traffic
Traffic splitting / canary
Cilium-
Linkerd
Fault injection / resilience
Cilium-
Linkerd
Scale
Multi-cluster federation
Cilium
Linkerd
Portability
VM support (beyond Kubernetes)
Cilium-
Linkerd
Observability
Built-in observability
Cilium
Linkerd
Standards
Gateway API / GAMMA support
Cilium
Linkerd
Extensibility
WASM extensibility
Cilium-
Linkerd-
Compliance
FIPS mode
Cilium-
Linkerd-
Ecosystem
CNCF maturity
Cilium-
LinkerdGraduated
Ops
Commercial support / enterprise edition
Cilium-
Linkerd

What each one is

The product in its own terms, so the numbers below have context.

Cilium

A cloud-native networking and security platform that uses eBPF to provide networking, observability, and security capabilities. Built for Kubernetes and cloud infrastructure with integrated observability via Hubble.

Independently observed

Linkerd

Infrastructure layer that enhances Kubernetes deployments with built-in security, monitoring, and reliability capabilities, requiring no modifications to existing applications.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

Cilium

Open sourceFree tier
as of verify ↗

Linkerd

Open sourceFree tier
as of verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platforms
Linux
Cilium
Linkerd
CLI
Cilium
Linkerd
Deployment
Cloud / SaaS
Cilium
Linkerd
Self-hosted
Cilium
Linkerd

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

In common (1)
  • Prometheus

Cilium

3 total - 2 not shared
  • SPIRE
  • Envoy
Independently observed

Linkerd

6 total - 5 not shared
  • Grafana
  • Argo CD
  • Jaeger
  • Helm
  • Gateway API
Independently observed
Still deciding?

Cilium or Linkerd: which one depends on you

A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.

Free to run, no account needed to start. How the evaluation works

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.

Cilium vs Linkerd: an evidence-based comparison · vioscaleAI