Comparison

Istio vs Kuma

No clear leader: Istio (57.2) and Kuma (53.3) 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 formatsJSONMarkdownGraphQLor send Accept: application/json
Istio57
Kuma53
Score
Vioscale score
Istio57 / 100medium · 54%
Kuma53 / 100low · 36%
Pricing
Free tier
Istio
Kuma
Model
Price level
Istiofree
Kumafree
Transparent
Istio
Kuma
Integrations
Count
Istio1
Kuma4
Adoption
Dependent repos
Istio149
Kuma8
Github stars
Istio38,355
Kuma3,995
Activity
Commits last 30d
Istio100
Kuma100
Release
Cadence days
Istio5
Kuma
History
License
Language
Primary
IstioGo
KumaGo

Capabilities

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

Architecture
Data plane
IstioSidecar
KumaSidecar
Proxy
IstioEnvoy
KumaEnvoy
Security
Automatic mutual TLS
Istio
Kuma
SPIFFE / SPIRE identity
Istio-
Kuma-
Traffic
Traffic splitting / canary
Istio
Kuma
Fault injection / resilience
Istio-
Kuma
Scale
Multi-cluster federation
Istio-
Kuma
Portability
VM support (beyond Kubernetes)
Istio
Kuma
Observability
Built-in observability
Istio
Kuma
Standards
Gateway API / GAMMA support
Istio-
Kuma
Extensibility
WASM extensibility
Istio-
Kuma-
Compliance
FIPS mode
Istio-
Kuma-
Ecosystem
CNCF maturity
IstioGraduated
KumaSandbox
Ops
Commercial support / enterprise edition
Istio
Kuma

What each one is

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

Istio

A platform that manages communication between microservices in Kubernetes environments, providing traffic control, security policies, and monitoring capabilities without requiring application changes

Independently observed

Kuma

Open-source control plane for service mesh delivering security, observability, routing and more. Built on Envoy with support for Kubernetes, VMs, and multi-cluster deployments.

Independently observed

Pricing

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

Istio

Open sourceFree tier
as of verify ↗

Kuma

Open sourceFree tier

Open-source with enterprise offerings available (demo on request)

as of verify ↗

Platform & deployment

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

Platforms
Web
Istio
Kuma
CLI
Istio
Kuma
Deployment
Cloud / SaaS
Istio
Kuma
Self-hosted
Istio
Kuma
On-premise
Istio
Kuma
Hybrid
Istio
Kuma

Integrations

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

Istio

1 total
  • cert-manager
Independently observed

Kuma

4 total
  • Prometheus
  • Grafana
  • Datadog
  • OpenTelemetry
Independently observed

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