OPA Gatekeeper vs Kyverno: Which is Better in 2026?
Choosing between OPA Gatekeeper and Kyverno comes down to understanding what each tool does best. This comparison breaks down the key differences so you can make an informed decision based on your specific needs, not marketing claims.
Bottom line: Kyverno is our overall pick for DevOps workflows. Pick OPA Gatekeeper if you need a free tier to start with.
Short on time? Here's the quick answer
We've tested both tools. Here's who should pick what:
OPA Gatekeeper
Enforce policies and governance for Kubernetes clusters using Open Policy Agent.
Best for you if:
- • Enforces policies in Kubernetes clusters.
- • Uses Open Policy Agent (OPA) for policy definition.
Kyverno
Unified Policy as Code for Kubernetes and beyond, simplified with YAML and CEL.
Best for you if:
- • You need something completely free
- • Enforces policies across Kubernetes and other infrastructure using YAML and CEL.
- • Provides validation, mutation, generation, and cleanup of Kubernetes resources.
| At a Glance |  Kyverno | |
|---|---|---|
Starts at | $10/month/moBasic | Free |
Best For | DevOps | DevOps |
Rating | - | - |
Choose OPA Gatekeeper or Kyverno?
Choose OPA Gatekeeper if
Enforce policies and governance for Kubernetes clusters using Open Policy Agent.
- Leverages the powerful and flexible Rego policy language
- Provides centralized policy management for Kubernetes
- Enhances security and compliance posture of clusters
Choose Kyverno if
Unified Policy as Code for Kubernetes and beyond, simplified with YAML and CEL.
- Uses familiar YAML and CEL, reducing the learning curve for Kubernetes users.
- Kubernetes-native design integrates seamlessly with existing workflows.
- Comprehensive capabilities including validation, mutation, generation, and cleanup.
- You want a fully free tool (OPA Gatekeeper requires payment)
| Feature | OPA Gatekeeper | Kyverno |
|---|---|---|
| Pricing Model | Freemium | Free |
| User Rating | ★4.6/5 167 reviews | No ratings yet |
| Categories | DevOpsSecurity | DevOpsSecurity |
In-Depth Analysis
OPA Gatekeeper
Enforce policies and governance for Kubernetes clusters using Open Policy Agent.
Strengths
- +Leverages the powerful and flexible Rego policy language
- +Provides centralized policy management for Kubernetes
- +Enhances security and compliance posture of clusters
- +Prevents misconfigurations before they are applied
- +Open-source and community-driven
Weaknesses
- -Requires learning Rego for complex policies
- -Can add latency to API requests if policies are complex
- -Initial setup and policy definition can be challenging for beginners
Key features
Kyverno
Unified Policy as Code for Kubernetes and beyond, simplified with YAML and CEL.
Strengths
- +Uses familiar YAML and CEL, reducing the learning curve for Kubernetes users.
- +Kubernetes-native design integrates seamlessly with existing workflows.
- +Comprehensive capabilities including validation, mutation, generation, and cleanup.
- +High performance and security due to CEL's pre-compilation and sandboxed execution.
- +Extensive policy library and rich documentation for easy adoption.
Weaknesses
- -Requires familiarity with Kubernetes concepts for effective policy creation.
- -While extending beyond Kubernetes, its core strength and primary focus remain Kubernetes.
- -Comparison with other tools might require understanding specific nuances of each policy engine.
Key features
Pricing: OPA Gatekeeper vs Kyverno
| Plan | OPA Gatekeeper | Kyverno |
|---|---|---|
| Tier 1 | Free Free | N/A |
| Tier 2 | $10/month Basic | N/A |
| Tier 3 | $25/month Pro | N/A |
Pricing verified from each vendor's public pricing page. Compare in detail on OPA Gatekeeper pricing and Kyverno pricing.
Who Should Use What?
On a budget?
Kyverno is free. OPA Gatekeeper is freemium.
Go with: Kyverno
Want the highest-rated option?
Neither has user reviews yet.
Go with: OPA Gatekeeper
Value user reviews?
Neither has user reviews yet.
Go with: Kyverno
3 Questions to Help You Decide
What's your budget?
OPA Gatekeeper is freemium. Kyverno is free. Go with Kyverno if free matters most.
What's your use case?
Both are devops tools. Compare their specific features to decide.
How important are ratings?
Neither has user reviews yet.
Key Takeaways
Kyverno
- Completely free
- Our pick for this comparison
OPA Gatekeeper
- Choose if you want enforce policies and governance for Kubernetes clusters using Open Policy Agent
The Bottom Line
Kyverno is our pick.
Frequently Asked Questions
Is OPA Gatekeeper or Kyverno better?
Kyverno is rated in our evaluation. OPA Gatekeeper is freemium and Kyverno is free.
What are OPA Gatekeeper and Kyverno used for?
OPA Gatekeeper: Enforce policies and governance for Kubernetes clusters using Open Policy Agent.. Kyverno: Unified Policy as Code for Kubernetes and beyond, simplified with YAML and CEL..
What does OPA Gatekeeper cost vs Kyverno?
OPA Gatekeeper is freemium (free tier + paid plans). Kyverno is completely free. Visit their websites for detailed pricing.