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. Teams most often switch away when one of these starts to bite:
- •Pricing at scale as usage or premium tiers add up.
- •Missing integrations with the rest of your stack.
- •Performance or scale limits as your needs grow.
- •A specific feature gap you have hit in security.
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. No paid placement.
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
Proton
FreemiumBattle-tested at scaleTake control of your digital life with end-to-end encrypted communication, storage, and browsing.
Direct alternative4.7(32,118)Compare Cerbos vs Proton → - 7
1Password
PaidBattle-tested at scaleSecurely store passwords, cards, and docs with end-to-end encryption
Direct alternative4.7(3,839)Compare Cerbos vs 1Password → - 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.
Still considering Cerbos?
See the full review, pricing breakdown, and community feedback before you decide.