AuthZed (SpiceDB) vs OpenFGA
Side-by-side comparison of identity tools. Sponsored placement is disclosed where applicable.
Quick answer
AuthZed (SpiceDB) vs OpenFGA: which should you choose?
Short answer
AuthZed (SpiceDB) vs OpenFGA 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
- AuthZed (SpiceDB): Product engineering teams building fine-grained, relationship-based permissions (sharing, hierarchies, multi-tenant B2B) at scale who want Zanzibar semantics without building them. · 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.
- 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
- AuthZed (SpiceDB)OpenFGAIAM Stack FinderBuyer resources
| Attribute | ||
|---|---|---|
| Best for | Product engineering teams building fine-grained, relationship-based permissions (sharing, hierarchies, multi-tenant B2B) at scale who want Zanzibar semantics without building them. | 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. |
| Short description | Maker of SpiceDB, the Apache-2.0 "open source permissions database" inspired by Google Zanzibar, offered self-hosted, as usage-priced AuthZed Cloud, as Dedicated cloud, or as a licensed self-hosted enterprise build. | 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. |
| Company size | startup, smb, mid_market, enterprise | startup, smb, mid_market, enterprise |
| Deployment | saas, self_hosted | self_hosted, saas |
| Source | open core | open source |
| Pricing model | usage-based / enterprise | free (open source); enterprise quote for hosted Auth0 FGA |
| Integrations | PostgreSQL, CockroachDB, Google Cloud Spanner, MySQL, Kubernetes, gRPC, Go, Node.js | Go, Node.js, JavaScript, Python, Java, .NET, gRPC, REST |
| Categories | Authorization | Authorization |
| Claimed profile |
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