OpenFGA vs Permit.io
Side-by-side comparison of identity tools. Sponsored placement is disclosed where applicable.
Quick answer
OpenFGA vs Permit.io: which should you choose?
Short answer
OpenFGA 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
- OpenFGA: Product engineering teams building multi-tenant SaaS with document-sharing, folder-hierarchy or org/team permission models who want a self-hostable Zanzibar-style engine with a vendor-neutral foundation home. · 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
- OpenFGAPermit.ioIAM Stack FinderBuyer resources
| Attribute | ||
|---|---|---|
| Best for | Product engineering teams building multi-tenant SaaS with document-sharing, folder-hierarchy or org/team permission models who want a self-hostable Zanzibar-style engine with a vendor-neutral foundation home. | 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 | OpenFGA is an Apache 2.0 authorization engine, inspired by Google's Zanzibar paper, that stores relationship tuples and answers permission checks via gRPC/HTTP APIs. Originally built by Auth0/Okta, it is now a CNCF Incubating project with a hosted Auth0 FGA option. | 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, smb, mid_market, enterprise | Startup, Mid-market, Enterprise |
| Deployment | self_hosted, saas | SaaS / Cloud-hosted |
| Source | open source | Open core (built on OPA/OPAL open standards; management layer is proprietary) |
| Pricing model | free (open source); enterprise quote for hosted Auth0 FGA | MAU and evaluation-based; free tier available |
| Integrations | Go, Node.js, JavaScript, Python, Java, .NET, gRPC, REST | OPA, OPAL, Python, Node.js, Java, Go, REST APIs |
| Categories | Authorization | Authorization |
| Claimed profile |
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