Head-to-head
OpenFGA vs Permify
OpenFGA leads: the AI models rank it above its rival on 1 of the 1 leaderboard they share. Based on how ChatGPT, Claude, Gemini & Grok rank both across the leaderboard they share — re-polled weekly, reasoning shown verbatim.
| Leaderboard | OpenFGA | Permify |
|---|---|---|
| Best relationship-based access control engine | #2 / 7 | #3 / 7 |
Why the models rank OpenFGA — on best relationship-based access control engine
“A near-tie with SpiceDB for most teams, with CNCF governance, an approachable modeling language, strong SDKs and tooling, contextual tuples, conditions, and capable check/list APIs; especially attractive when portability and straightforward adoption outweigh maximum consistency sophistication.”
Why the models rank Permify — on best relationship-based access control engine
“Fast-moving open-source Zanzibar-style engine that deliberately blends ReBAC with attribute-based rules in one schema, has a good playground and data-sync tooling for keeping relationships current from existing databases, and offers a lighter operational footprint than SpiceDB while supporting tenancy natively — strong value for mid-size teams wanting self-hosted FGA without a cluster.”
More head-to-heads
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The 3 biggest AI-ranking flips, one short email a week.
Ranks from the merged 4-model leaderboards · re-polled weekly · methodology