Comparison

Istio vs Open Service Mesh

On the evidence we track, Istio leads this comparison with a composite score of 57/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Machine formatsJSONMarkdownGraphQLor send Accept: application/json
Istio57
Open Service Mesh39
Score
Vioscale score
Istio57 / 100medium · 54%
Open Service Mesh39 / 100medium · 54%
Pricing
Free tier
Istio
Open Service Mesh
Model
Open Service Meshopen_source
Price level
Istiofree
Open Service Meshfree
Transparent
Istio
Open Service Mesh
Integrations
Count
Istio1
Open Service Mesh8
Adoption
Dependent repos
Istio149
Open Service Mesh15
Github stars
Istio38,355
Open Service Mesh2,551
Activity
Commits last 30d
Istio100
Open Service Mesh0
Release
Cadence days
Istio5
Open Service Mesh12
History
Open Service Mesh20 items
License
Spdx
Open Service MeshApache-2.0
Language
Primary
IstioGo
Open Service MeshGo
Market
Availability

Capabilities

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

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

What each one is

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

Istio

Leader

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

Independently observed

Open Service Mesh

Manages traffic, enforces access policies, and provides operational visibility for microservices running in Kubernetes clusters. Emphasizes simplicity in installation and maintenance through standardized configuration interfaces.

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

Leader
Open sourceFree tier
as of verify ↗

Open Service Mesh

Open source
as of verify ↗

Platform & deployment

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

Platforms
Linux
Istio
Open Service Mesh
CLI
Istio
Open Service Mesh
Deployment
Cloud / SaaS
Istio
Open Service Mesh
Self-hosted
Istio
Open Service Mesh
On-premise
Istio
Open Service Mesh
Hybrid
Istio
Open Service Mesh

Integrations

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

Istio

Leader
1 total
  • cert-manager
Independently observed

Open Service Mesh

8 total
  • Envoy
  • Linkerd
  • Istio
  • Consul
  • Kuma
  • Helm
  • SMI specification
  • external certificate management systems
Independently observed

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