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Keycloak vs OpenFGA: Which Should You Choose in 2026?

Choosing between Keycloak and OpenFGA 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 May 1, 2026 · Methodology

Short on time? Here's the quick answer

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

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

OpenFGA

Fine-grained authorization inspired by Google's Zanzibar, built for scalability and flexibility.

Best for you if:

    0
  • • You need identity & access features specifically
  • Implements fine-grained authorization inspired by Google's Zanzibar.
  • Supports ReBAC, RBAC, and ABAC with a flexible modeling language.
At a Glance
KeycloakKeycloak
OpenFGAOpenFGA
Price
FreeFree
Best For
Password ManagersIdentity & Access
Rating
FeatureKeycloakOpenFGA
Pricing ModelFreeFree
Community RatingNo ratings yetNo ratings yet
Total Reviews00
Community Upvotes
0
0
Categories
Password ManagersIdentity & Access
Identity & Access

How Keycloak and OpenFGA Compare

Keycloak

Open-source identity and access management

Free

OpenFGA

Fine-grained authorization inspired by Google's Zanzibar, built for scalability and flexibility.

Free

Keycloak is a password managers tool. OpenFGA is in identity & access.

Who Should Use What?

On a budget?

Both are free. Compare plans on their websites.

Go with: Keycloak

Want the highest-rated option?

Neither has user reviews yet.

Go with: Keycloak

Value user reviews?

Neither has user reviews yet.

Go with: Keycloak

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?

Keycloak is a password managers tool. OpenFGA is in identity & access. Pick the category that matches your needs.

3

How important are ratings?

Neither has user reviews yet.

Key Takeaways

Keycloak

    0
  • Completely free
  • Our pick for this comparison

OpenFGA

  • Better fit for identity & access

The Bottom Line

Keycloak is our pick.

Frequently Asked Questions

Is Keycloak or OpenFGA better?

Keycloak is rated high in our evaluation. Both are free.

What are Keycloak and OpenFGA used for?

Keycloak: Open-source identity and access management. OpenFGA: Fine-grained authorization inspired by Google's Zanzibar, built for scalability and flexibility..

What does Keycloak cost vs OpenFGA?

Keycloak is completely free. OpenFGA is completely free. Visit their websites for detailed pricing.

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