Comparison

Kuma vs MOSN

On the evidence we track, Kuma leads this comparison with a composite score of 52/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Kuma full profile →MOSN full profile →

Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.

★Kuma52

MOSN37

Attribute comparison across 2 tools
Attribute	KumaLeader	MOSN
vioscaleAI score	52 / 100low · 43%	37 / 100medium · 54%
Pricing
Free tierpricing.free_tier	✓	✓
Modelpricing.model	commercial	open_source
Price levelpricing.price_level	free	free
Transparentpricing.transparent	✗	-
Integrations
Countintegrations.count	2	3
Security
Disclosure policysecurity.disclosure_policy	✓	-
Gdprsecurity.gdpr	✓	-
Scorecardsecurity.scorecard	8	3.3
Vulnerabilitiessecurity.vulnerabilities	Count: 0 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=go&package_name=github.com%2Fkumahq%2Fkuma%2Fpkg%2Ftransparentproxy%2Fistio&per_page=100 · Last 12m: 0	Count: 1 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=go&package_name=mosn.io%2Fmosn&per_page=100 · Last 12m: 0 · Max severity: CRITICAL
Adoption
Dependent reposadoption.dependent_repos	8	22
Github starsadoption.github_stars	4,012	4,508
Activity
Commits last 30dactivity.commits_last_30d	100	0
Release
Cadence daysrelease.cadence_days	-	62
Historyrelease.history	20 items	20 items
License
Spdxlicense.spdx	Apache-2.0	Apache-2.0
Language
Primarylanguage.primary	Go	Go
Market
Availabilitymarket.availability	Available worldwide · HQ US	-
Content
Faqcontent.faq	8 items	6 items

Score

vioscaleAI score

Kuma52 / 100low · 43%

MOSN37 / 100medium · 54%

Pricing

Free tier

Kuma✓

MOSN✓

Model

Kumacommercial

MOSNopen_source

Price level

Kumafree

MOSNfree

Transparent

Kuma✗

MOSN–

Integrations

Count

Kuma2

MOSN3

Security

Disclosure policy

Kuma✓

MOSN–

Gdpr

Kuma✓

MOSN–

Scorecard

Kuma8

MOSN3.3

Vulnerabilities

KumaCount: 0 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=go&package_name=github.com%2Fkumahq%2Fkuma%2Fpkg%2Ftransparentproxy%2Fistio&per_page=100 · Last 12m: 0

MOSNCount: 1 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=go&package_name=mosn.io%2Fmosn&per_page=100 · Last 12m: 0 · Max severity: CRITICAL

Adoption

Dependent repos

Kuma8

MOSN22

Github stars

Kuma4,012

MOSN4,508

Activity

Commits last 30d

Kuma100

MOSN0

Release

Cadence days

Kuma–

MOSN62

History

Kuma20 items

MOSN20 items

License

Spdx

KumaApache-2.0

MOSNApache-2.0

Language

Primary

KumaGo

MOSNGo

Market

Availability

KumaAvailable worldwide · HQ US

MOSN–

Content

Faq

Kuma8 items

MOSN6 items

Capabilities

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

Capability comparison for Service Mesh
Capability	Kuma	MOSN
Architecture
Data plane	Sidecar	Sidecar
Proxy	Envoy	Envoy
Security
Automatic mutual TLS	✓	-
SPIFFE / SPIRE identity	-	-
Traffic
Traffic splitting / canary	✓	✓
Fault injection / resilience	✓	-
Scale
Multi-cluster federation	✓	✓
Portability
VM support (beyond Kubernetes)	✓	✓
Observability
Built-in observability	✓	✓
Standards
Gateway API / GAMMA support	✓	-
Extensibility
WASM extensibility	-	✓
Compliance
FIPS mode	-	-
Ecosystem
CNCF maturity	Sandbox	-
Ops
Commercial support / enterprise edition	✓	-

Architecture

Data plane

KumaSidecar

MOSNSidecar

Proxy

KumaEnvoy

MOSNEnvoy

Security

Automatic mutual TLS

Kuma✓

MOSN-

SPIFFE / SPIRE identity

Kuma-

MOSN-

Traffic

Traffic splitting / canary

Kuma✓

MOSN✓

Fault injection / resilience

Kuma✓

MOSN-

Scale

Multi-cluster federation

Kuma✓

MOSN✓

Portability

VM support (beyond Kubernetes)

Kuma✓

MOSN✓

Observability

Built-in observability

Kuma✓

MOSN✓

Standards

Gateway API / GAMMA support

Kuma✓

MOSN-

Extensibility

WASM extensibility

Kuma-

MOSN✓

Compliance

FIPS mode

Kuma-

MOSN-

Ecosystem

CNCF maturity

KumaSandbox

MOSN-

Ops

Commercial support / enterprise edition

Kuma✓

MOSN-

What each one is

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

Kuma

Leader

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

MOSN

A Go-based, open-source network proxy that integrates with Istio to create service meshes and functions as a standalone load balancer, API gateway, and ingress controller.

Independently observed

Pricing

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

Kuma

Leader

Open source

as of 2026-09-10verify ↗

MOSN

Open source

as of 2026-10-13verify ↗

Platform & deployment

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

Platform and deployment support comparison
Supports	Kuma	MOSN
WebPlatforms	✓	✗
LinuxPlatforms	✗	✓
CLIPlatforms	✓	✓
Cloud / SaaSDeployment	✓	✓
Self-hostedDeployment	✓	✓
On-premiseDeployment	✓	✗
HybridDeployment	✓	✗

Platforms

Web

Kuma✓

MOSN✗

Linux

Kuma✗

MOSN✓

CLI

Kuma✓

MOSN✓

Deployment

Cloud / SaaS

Kuma✓

MOSN✓

Self-hosted

Kuma✓

MOSN✓

On-premise

Kuma✓

MOSN✗

Hybrid

Kuma✓

MOSN✗

Integrations

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

In common (1)

Prometheus

Kuma

Leader

4 total - 3 not shared

Grafana
Datadog
OpenTelemetry

Independently observed

MOSN

6 total - 5 not shared

Istio
Envoy
Jaeger
Skywalking
Holmes

Independently observed

Still deciding?

Kuma or MOSN: 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.