OPA Gatekeeper vs Falco: Which Should You Choose in 2026?
Choosing between OPA Gatekeeper and Falco 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.
By Toolradar Team · Last updated April 14, 2026 · Methodology
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:
- 0
- • Enforces policies in Kubernetes clusters.
- • Uses Open Policy Agent (OPA) for policy definition.
Falco
Cloud-native runtime security
Best for you if:
- 0
- • You need something completely free
- • Falco is an open-source runtime security tool for Kubernetes and containers
- • It detects abnormal behavior and security threats using kernel-level monitoring
| At a Glance |  Falco | |
|---|---|---|
Price | Free + Paid | Free |
Best For | Container Orchestration | Container Orchestration |
Rating | — | — |
| Feature | OPA Gatekeeper | Falco |
|---|---|---|
| Pricing Model | Freemium | Free |
| Community Rating | No ratings yet | No ratings yet |
| Total Reviews | 0 | 0 |
| Community Upvotes | 0 | 0 |
| Categories | Container OrchestrationCompliance | Container OrchestrationMonitoring |
How OPA Gatekeeper and Falco Compare
OPA Gatekeeper
Enforce policies and governance for Kubernetes clusters using Open Policy Agent.
Free tier available
Falco
Cloud-native runtime security
Free
Who Should Use What?
On a budget?
Falco is free. OPA Gatekeeper is freemium.
Go with: Falco
Want the highest-rated option?
Neither has user reviews yet.
Go with: OPA Gatekeeper
Value user reviews?
Neither has user reviews yet.
Go with: OPA Gatekeeper
3 Questions to Help You Decide
What's your budget?
OPA Gatekeeper is freemium. Falco is free. Go with Falco if free matters most.
What's your use case?
Both are container orchestration tools. Compare their specific features to decide.
How important are ratings?
Neither has user reviews yet.
Key Takeaways
OPA Gatekeeper
- 0
- Free tier available
- Our pick for this comparison
Falco
- Completely free
The Bottom Line
OPA Gatekeeper is our pick. That said, Falco is free — hard to beat on price.
Frequently Asked Questions
Is OPA Gatekeeper or Falco better?
OPA Gatekeeper is rated high in our evaluation. OPA Gatekeeper is freemium and Falco is free.
What are OPA Gatekeeper and Falco used for?
OPA Gatekeeper: Enforce policies and governance for Kubernetes clusters using Open Policy Agent.. Falco: Cloud-native runtime security.
What does OPA Gatekeeper cost vs Falco?
OPA Gatekeeper is freemium (free tier + paid plans). Falco is completely free. Visit their websites for detailed pricing.