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Best policy-as-code tool for Kubernetes

3 models · updated 2026-06-29

The verdict

Kyverno leads — All 3 models rank Kyverno the top startup.

Combined ranking

  1. 1
    Kyverno—14 pts
    GPT #1Claude #2Gemini #1· Kubernetes-native policy engine with excellent validate, mutate, and generate workflows.
  2. 2
    Kubewarden—8 pts
    GPT #3Claude #4Gemini #3· Flexible WebAssembly policy engine supporting multiple programming languages.
  3. 3
    jsPolicy—2 pts
    GPT —Claude #5Gemini #5· Write admission policies in JavaScript/TypeScript with fast in-cluster execution.

Not ranked (incumbents): OPA Gatekeeper, Open Policy Agent, Checkov, Kubernetes ValidatingAdmissionPolicy

By model

ChatGPT

  1. 1.Kyverno
  2. 2.OPA Gatekeeper
  3. 3.Kubewarden
  4. 4.Kubernetes ValidatingAdmissionPolicy
  5. 5.Checkov

Claude

  1. 1.Open Policy Agent
  2. 2.Kyverno
  3. 3.OPA Gatekeeper
  4. 4.Kubewarden
  5. 5.jsPolicy

Gemini

  1. 1.Kyverno
  2. 2.OPA Gatekeeper
  3. 3.Kubewarden
  4. 4.Checkov
  5. 5.jsPolicy

Tracked by ModelsAgree · rank 1 = 5 pts … rank 5 = 1 pt · re-polled continuously