Comparison

Cilium vs Consul

No clear leader: Consul (58.6) and Cilium (55.8) 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 formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.
Cilium56
Consul59
Score
vioscaleAI score
Cilium56 / 100medium · 54%
Consul59 / 100high · 75%
Pricing
Free tier
Cilium✓
Consul✓
Model
Price level
Ciliumfree
Consullow
Transparent
Cilium✓
Consul–
Integrations
Count
Cilium3
Consul1
Reliability
Status page
Cilium–
Consul✓
Adoption
Dependent repos
Cilium103
Consul67,699
Github stars
Cilium25,603
Consul30,091
Activity
Commits last 30d
Cilium100
Consul30
Release
Cadence days
Cilium5
Consul15
History
Cilium20 items
Consul20 items
License
Spdx
Consul–
Language
Primary
CiliumGo
ConsulGo
Content
Faq
Cilium6 items
Consul4 items

Capabilities

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

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

What each one is

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

Cilium

Cilium is an open-source networking layer for Kubernetes that uses eBPF to provide container-to-container communication, load balancing, network policies, multi-cluster connectivity, and deep observability across single or multiple clusters.

Independently observed

Consul

A platform that enables service discovery, configuration management, and secure service-to-service communication with automatic encryption and identity-based access control across distributed infrastructure.

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 ↗

Consul

HybridFree tier
as of verify ↗

Platform & deployment

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

Platforms
macOS
Cilium✗
Consul✓
Windows
Cilium✗
Consul✓
Linux
Cilium✓
Consul✓
CLI
Cilium✓
Consul✓
Deployment
Cloud / SaaS
Cilium✓
Consul✓
Self-hosted
Cilium✓
Consul✓
On-premise
Cilium✗
Consul✓
Hybrid
Cilium✓
Consul✗

Integrations

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

Cilium

3 total
  • SPIRE
  • Envoy
  • Prometheus
Independently observed

Consul

1 total
  • Kubernetes
Independently observed
Still deciding?

Cilium or Consul: 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.