{"slug":"workos-fga","name":"WorkOS FGA","domain":null,"best_rank":7,"categories":1,"entries":[{"slug":"best-relationship-based-access-control-engine","title":"Best relationship-based access control engine","rank":7,"of":7,"score":1,"appearances":1,"modelRanks":{"Claude":5},"reason":"The former Warrant engine under WorkOS, now the strongest fully-managed, zero-ops ReBAC option for product teams that want Zanzibar-style checks (plus query/list endpoints and warrant tokens for consistency) without running anything; pricing and DX aimed squarely at B2B SaaS builders already using WorkOS for SSO/SCIM.","reasons":[{"model":"Claude","reason":"The former Warrant engine under WorkOS, now the strongest fully-managed, zero-ops ReBAC option for product teams that want Zanzibar-style checks (plus query/list endpoints and warrant tokens for consistency) without running anything; pricing and DX aimed squarely at B2B SaaS builders already using WorkOS for SSO/SCIM."}],"fixes":[{"model":"Claude","fix":"Proprietary and hosted-only — no self-hosting or open-source escape hatch, so you accept vendor lock-in and data-residency constraints that the open engines don't impose."}],"updated":"2026-07-16","api":"https://modelsagree.com/api/v1/best/best-relationship-based-access-control-engine.json"}],"page":"https://modelsagree.com/product/workos-fga","check":"https://modelsagree.com/check?q=WorkOS%20FGA","updated":"2026-07-17T08:03:51.047Z","attribution":"modelsagree.com, CC BY 4.0"}