# FusionAuth: what AI models say (September 2026)

Source: Memetik Index, https://www.memetik.ai/vendors/fusionauth
Website: https://fusionauth.io

FusionAuth was named in 5 of 50 AI answers across 1 category. Best position: Authentication for developers, 10% answer share, ranked #16, named first in 0%.

## What FusionAuth is

FusionAuth is authentication and user access management software for applications. It is built for teams running critical systems across web, mobile, desktop and console apps. It offers a Free Community Edition and can be self-hosted or run in FusionAuth cloud.

FusionAuth authenticates users through passwords, passwordless methods, single sign-on, multi-factor authentication, OAuth2, OIDC and SAML v2. Its API-driven identity capabilities support custom login flows. Teams can manage tenants, users, applications, groups and access controls, including multi-tenant structures.

Pricing: It offers a Free Community Edition and states that users, regions, and workloads can scale without growth penalties.
(From FusionAuth's own website, read 2026-09-02.)

## By category

| Category | Rank | Answer share | Named first | Models |
|---|---|---|---|---|
| Authentication for developers (https://www.memetik.ai/index/developer-auth) | #16 of 17 | 10% | 0% | Claude, Claude Fable 5, Gemini, Perplexity, Sonar Reasoning Pro |