PlainID vs Cerbos
Side-by-side comparison of identity tools. Sponsored placement is disclosed where applicable.
Quick answer
PlainID vs Cerbos: which should you choose?
Short answer
PlainID vs Cerbos 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
- PlainID: Regulated enterprises (financial services, pharma) that need one authorization policy layer spanning APIs, data warehouses and applications. · 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.
- 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
- PlainIDCerbosIAM Stack FinderBuyer resources
| Attribute | ||
|---|---|---|
| Best for | Regulated enterprises (financial services, pharma) that need one authorization policy layer spanning APIs, data warehouses and applications. | 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. |
| Short description | Enterprise policy-based access control (PBAC) platform that centralises authorization policies and enforces them at runtime across APIs, data platforms, applications and AI agents. | 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. |
| Company size | mid_market, enterprise | Startup, Mid-market, Enterprise |
| Deployment | saas, hybrid | Self-hosted, SaaS / Cloud-hosted (Cerbos Hub) |
| Source | commercial | Open source (Apache 2.0) |
| Pricing model | enterprise | Free (open source PDP, self-hosted); Cerbos Hub (control plane) commercial pricing available |
| Integrations | Microsoft Entra ID, Okta, Ping Identity, Auth0, Kong, Apigee, Envoy, Istio | gRPC, REST, JavaScript, Go, Python, Java, .NET, Rust |
| Categories | Authorization, Non-Human Identity, AI Agent Identity | |
| Claimed profile |
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