What are the key differences between Better Auth and Keycloak?

Compare Better Auth and Keycloak side by side on Lunoo to see detailed feature differences, AI scores, and expert analysis.

How are Better Auth and Keycloak scored?

Better Auth has an AI score of 6.26/10 and Keycloak has an AI score of 7.54/10. Scores are based on category fit, feature coverage, pricing signals, public reception, and recency.

Better Auth vs Keycloak 2026 - Compared

Better Auth

Keycloak

WINNER Keycloak

Keycloak edges ahead with a score of 7.5/10 compared to 6.3/10 for Better Auth. While both are highly rated in their res...

Better Auth

6.26 Fair

Stack Get Better Auth open_in_new

emoji_events WINNER

Keycloak edges ahead with a score of 7.5/10 compared to 6.3/10 for Better Auth. While both are highly rated in their respective fields, Keycloak demonstrates a slight advantage in our AI ranking criteria. A detailed AI-powered analysis is being prepared for this comparison.

emoji_events Winner: Keycloak

verified Confidence: Low

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description Overview

Better Auth

Better Auth is an open-source authentication framework for TypeScript applications. It provides reusable server and client tools for implementing user accounts, sign-in flows, sessions, and authorization-related behavior, with database integration handled through adapters and configuration. The project is aimed at developers building web applications who want authentication capabilities that can b...

Keycloak

Keycloak is an open-source identity and access management (IAM) software solution maintained by Red Hat. It provides developers and system administrators with tools to secure applications and services without building authentication mechanisms from scratch. The platform supports standard protocols such as OAuth 2.0, OpenID Connect, and SAML. Key features include single sign-on (SSO), user federati...