{"slug":"fusionauth","name":"FusionAuth","domain":"fusionauth.io","best_rank":5,"categories":1,"entries":[{"slug":"best-self-hosted-auth-platform","title":"Best self-hosted auth platform","rank":5,"of":8,"score":4,"appearances":2,"modelRanks":{"ChatGPT":3,"Claude":5},"reason":"Polished developer experience, straightforward deployment, strong tenant support, customizable hosted pages, passkeys, enterprise federation, and useful migration tooling; ranks highly for teams willing to buy advanced capabilities","reasons":[{"model":"ChatGPT","reason":"Polished developer experience, straightforward deployment, strong tenant support, customizable hosted pages, passkeys, enterprise federation, and useful migration tooling; ranks highly for teams willing to buy advanced capabilities"},{"model":"Claude","reason":"The strongest downloadable commercial option — free unlimited-user community edition you self-host, excellent developer docs, clean tenanting, every OAuth/OIDC grant done correctly, and paid tiers add advanced MFA and threat detection with real vendor support behind it; a pragmatic pick for teams that want Keycloak-class capability with a company on the hook."}],"fixes":[{"model":"ChatGPT","fix":"Important enterprise features and support require paid editions, weakening its value for fully open-source deployments"},{"model":"Claude","fix":"Not open source (source-available/proprietary core), so the best features sit behind license fees and you're exposed to vendor pricing changes in a way Keycloak/Authentik users aren't."}],"updated":"2026-07-16","api":"https://modelsagree.com/api/v1/best/best-self-hosted-auth-platform.json"}],"page":"https://modelsagree.com/product/fusionauth","check":"https://modelsagree.com/check?q=FusionAuth","updated":"2026-07-16T07:19:13.442Z","attribution":"modelsagree.com, CC BY 4.0"}