Istio vs Kong Gateway

A side-by-side comparison of two self-hosted reverse proxy & gateways options — licensing, setup difficulty, resource needs, and what each one replaces.

Not the right match-up?
FeatureIstioKong Gateway
CategoryReverse Proxy & GatewaysReverse Proxy & Gateways
LicenseApache-2.0Apache-2.0
LanguageGoLua
Setup difficultyHardMedium
Min. RAM1,024 MB512 MB
Deploymentkubernetes, helmdocker, kubernetes, helm
GitHub stars★ 38,338★ 43,947
First released20172015
ReplacesAWS App MeshAWS API Gateway, Apigee

Why pick each one

Choose Istio if…

  • Comprehensive feature set
  • Large ecosystem
Istio details

Choose Kong Gateway if…

  • Released under the Apache-2.0 license
  • First-class Docker support for quick deployment
  • Kubernetes-ready with Helm charts available
  • Mature project with 43.9k GitHub stars
Kong Gateway details

Frequently asked questions

Is Istio or Kong Gateway better?

Kong Gateway is the stronger all-round pick: it has both the larger community and the simpler medium setup. Consider Istio if its specific feature set fits your needs better.

Are Istio and Kong Gateway free and open-source?

Yes. Istio is licensed under Apache-2.0 and Kong Gateway under Apache-2.0. Both can be self-hosted at no software cost.

Can I run Istio and Kong Gateway with Docker?

Istio: check the project docs for container support. Kong Gateway: yes.

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