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Cerbos vs Ory Keto

The same facts for both, read from GitHub every night, and the relation a person reviewed.

CerbosOry Keto
LanguageGoGo
LicenceApache-2.0Apache-2.0
Stars4.6k5.4k
Latestv0.56.0v26.2.0
Last push2026-10-192026-09-04
Release cadenceabout 36 days between releasesabout 190 days between releases
Active contributors6 commit authors on the default branch in the last 90 days5 commit authors on the default branch in the last 90 days
Flagsnonenone

How they relate

  • Both replace Oso Cloud. Alternatives to Oso Cloud →

    PartialCerbosDeclarative authorization policies evaluated by your own service instead of a hosted one.

    PartialOry KetoZanzibar-style relationship-based permissions, self-hosted and exposed over gRPC and REST.