Best Cerbos alternatives in 2026
8 direct alternatives to Cerbos, compared on pricing, features, and best-for use cases. Pick the right replacement without the marketing fluff.
Curated by Louis Corneloup · Updated Why people consider alternatives to Cerbos
Cerbos provides an externalized authorization layer designed for enterprise software and AI. It enables organizations to enforce fine-grained, contextual, and continuous authorization across applications, APIs, AI agents, and workloads. Here are the real cost and limitation gotchas that push teams to look elsewhere:
- •Overage fees for monthly active principals
- •Higher tiers required for advanced support
- •Enterprise features require custom quotes
- •Limited audit log retention on lower tiers
The 8 alternatives below cover the same core job (security) with different trade-offs. Ranked by real-signal score: G2 and Capterra ratings, media mentions, and editor review.
8 alternatives to Cerbos
Ranked by real-signal composite (rankingScore + community + reviews) and direct relevance to Cerbos.
- 1
OPA Gatekeeper
FreemiumEnforce policies and governance for Kubernetes clusters using Open Policy Agent.
Direct alternative4.6(167)Compare Cerbos vs OPA Gatekeeper → - 2
Keycloak
FreeFree alternativeOpen-source identity and access management
Direct alternative4.3(101)Compare Cerbos vs Keycloak → - 3
Open Policy Agent
FreeFree alternativeUnify policy enforcement across your entire software stack with a high-performance policy engine.
Direct alternativeCompare Cerbos vs Open Policy Agent → - 4
Proton VPN
FreemiumBattle-tested at scaleSwiss privacy protection with unlimited bandwidth
Direct alternative4.5(41,058)Compare Cerbos vs Proton VPN → - 5
Azure
PaidBattle-tested at scaleMicrosoft's cloud, essential for enterprises running Windows
Direct alternative4.4(97,447)Compare Cerbos vs Azure → - 6
1Password
PaidBattle-tested at scaleSecurely store passwords, cards, and docs with end-to-end encryption
Direct alternative4.7(3,839)Compare Cerbos vs 1Password → - 7
Proton
FreemiumBattle-tested at scaleEnd-to-end encrypted suite for total digital privacy
Direct alternative4.7(32,118)Compare Cerbos vs Proton → - 8
TeamViewer
FreemiumBattle-tested at scaleThe platform for the digital workplace, enabling seamless remote access, support, and IT management.
Direct alternative4.6(15,579)Compare Cerbos vs TeamViewer →
Frequently asked questions
What is the best alternative to Cerbos?
Based on real-signal scoring (G2 and Capterra ratings, media mentions, and editorial review), the top alternatives to Cerbos are OPA Gatekeeper, Keycloak, Open Policy Agent. Each solves the same core job with different trade-offs on pricing, features, and integrations.
Is there a free alternative to Cerbos?
Yes. OPA Gatekeeper is one of the freemium alternatives to Cerbos listed here (Enforce policies and governance for Kubernetes clusters using Open Policy Agent). Other freemium options are flagged in the list below.
Why do people look for Cerbos alternatives?
Common reasons teams switch away from Cerbos: pricing that scales aggressively, missing integrations with the rest of their stack, performance or scale limits, or a specific feature gap in security. The alternatives on this page solve the same core problem with different trade-offs.
Side-by-side comparisons
In-depth comparison pages for Cerbos versus each alternative.
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