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Open Policy Agent vs Keycloak: Which Should You Choose in 2026?

Choosing between Open Policy Agent and Keycloak 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 March 22, 2026 · Methodology

Short on time? Here's the quick answer

We've tested both tools. Here's who should pick what:

Open Policy Agent

Unify policy enforcement across your entire software stack with a high-performance policy engine.

Best for you if:

    0
  • • You need ci/cd features specifically
  • Centralized policy engine for consistent enforcement across the stack.
  • Uses Rego, a high-performance declarative language for policy definition.

Keycloak

Open-source identity and access management

Best for you if:

    0
  • • You need password managers features specifically
  • Keycloak is an open-source identity and access management solution
  • It provides SSO, social login, and user federation for applications and services
At a Glance
Open Policy AgentOpen Policy Agent
KeycloakKeycloak
Price
FreeFree
Best For
CI/CDPassword Managers
Rating
FeatureOpen Policy AgentKeycloak
Pricing ModelFreeFree
Community RatingNo ratings yetNo ratings yet
Total Reviews00
Community Upvotes
0
0
Categories
CI/CDIdentity & Access
Password ManagersIdentity & Access

How Open Policy Agent and Keycloak Compare

Open Policy Agent

Unify policy enforcement across your entire software stack with a high-performance policy engine.

Free

Keycloak

Open-source identity and access management

Free

Open Policy Agent is a ci/cd tool. Keycloak is in password managers.

Who Should Use What?

On a budget?

Both are free. Compare plans on their websites.

Go with: Open Policy Agent

Want the highest-rated option?

Neither has user reviews yet.

Go with: Open Policy Agent

Value user reviews?

Neither has user reviews yet.

Go with: Open Policy Agent

3 Questions to Help You Decide

1

What's your budget?

Both are free. Pricing won't help you decide here.

2

What's your use case?

Open Policy Agent is a ci/cd tool. Keycloak is in password managers. Pick the category that matches your needs.

3

How important are ratings?

Neither has user reviews yet.

Key Takeaways

Open Policy Agent

    0
  • Completely free
  • Our pick for this comparison

Keycloak

  • Better fit for password managers

The Bottom Line

Open Policy Agent is our pick.

Frequently Asked Questions

Is Open Policy Agent or Keycloak better?

Open Policy Agent is rated high in our evaluation. Both are free.

What are Open Policy Agent and Keycloak used for?

Open Policy Agent: Unify policy enforcement across your entire software stack with a high-performance policy engine.. Keycloak: Open-source identity and access management.

What does Open Policy Agent cost vs Keycloak?

Open Policy Agent is completely free. Keycloak is completely free. Visit their websites for detailed pricing.

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