Cerbos vs Permit.io
Side-by-side comparison of identity tools. Sponsored placement is disclosed where applicable.
Quick answer
Cerbos vs Permit.io: which should you choose?
Short answer
Cerbos vs Permit.io have overlapping use cases in identity and access management. The right pick depends on your company size, deployment model, integrations, and pricing tolerance — compare those attributes side-by-side below.
- Best for
- Cerbos: Engineering teams that need fine-grained authorization (RBAC, ABAC, PBAC, or ReBAC) in their applications and want to manage access-control policy separately from application code — particularly in microservices architectures, or where the same policies must consistently govern applications, API gateways, data platforms, and AI agents. · Permit.io: Engineering teams that need to ship fine-grained authorization across their application and want both programmatic API access and a low-code interface for policy administrators to manage permissions without engineering involvement.
- When to choose
- Pick the option whose company-size fit, deployment model, and integrations most closely match your stack.
- When not to choose
- Skip a head-to-head if you haven't shortlisted a category yet — start with the IAM Stack Finder instead.
- Related tools & categories
- CerbosPermit.ioIAM Stack FinderBuyer resources
| Attribute | ||
|---|---|---|
| Best for | Engineering teams that need fine-grained authorization (RBAC, ABAC, PBAC, or ReBAC) in their applications and want to manage access-control policy separately from application code — particularly in microservices architectures, or where the same policies must consistently govern applications, API gateways, data platforms, and AI agents. | Engineering teams that need to ship fine-grained authorization across their application and want both programmatic API access and a low-code interface for policy administrators to manage permissions without engineering involvement. |
| Short description | Cerbos is an authorization management platform built around an open source policy decision point (PDP). It enforces fine-grained RBAC, ABAC, PBAC, and ReBAC policies for applications, APIs, workloads, and AI agents. | Permit.io provides authorization-as-a-service with a low-code policy management interface, RBAC/ABAC/ReBAC policy support, and a managed policy decision layer — enabling teams to ship fine-grained access control without building it from scratch. |
| Company size | Startup, Mid-market, Enterprise | Startup, Mid-market, Enterprise |
| Deployment | Self-hosted, SaaS / Cloud-hosted (Cerbos Hub) | SaaS / Cloud-hosted |
| Source | Open source (Apache 2.0) | Open core (built on OPA/OPAL open standards; management layer is proprietary) |
| Pricing model | Free (open source PDP, self-hosted); Cerbos Hub (control plane) commercial pricing available | MAU and evaluation-based; free tier available |
| Integrations | gRPC, REST, JavaScript, Go, Python, Java, .NET, Rust | OPA, OPAL, Python, Node.js, Java, Go, REST APIs |
| Categories | Authorization, Non-Human Identity, AI Agent Identity | Authorization |
| Claimed profile |
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