head to head · open source
Better Auth vs Logto
Better Auth has 30,019 GitHub stars, 2,896 forks, 723 open issues and last shipped today. Logto has 14,599 stars, 1,212 forks, 183 open issues and last shipped today. Better Auth leads on adoption by 106% (30,019 vs 14,599 stars). Better Auth is written in TypeScript under MIT; Logto is written in TypeScript under MPL-2.0. Better Auth has attracted 10% as many forks as stars, Logto 8%. Better Auth was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (authentication, oauth2), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| Better Auth | Logto | |
|---|---|---|
| GitHub stars | ★ 30K | ★ 15K |
| License | MIT | MPL-2.0 |
| Written in | TypeScript | TypeScript |
| Last push | 2026-09-20 | 2026-09-20 |
| Forks | ⑂ 2.9K | ⑂ 1.2K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Better Auth if
- You weight community size — 30K stars and counting
- You want the MIT license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick Logto if
- You want the Logto feature set and don't need the biggest community
- You prefer the MPL-2.0 license terms
- Your stack matches TypeScript
- You evaluated both and Logto fits your workflow better
About Better Auth
Better Auth is a framework agnostic authentication and authorization framework written in TypeScript. It targets the broader JavaScript/TypeScript ecosystem and is designed to integrate with any backend or frontend framework, including Next.js, Express, SvelteKit, and others. It provides a unified API surface for core identity workflows such as sign up, sign in, session management, and passwordless flows.
read the full Better Auth overview →
About Logto
Logto is an open source authentication and authorization infrastructure for SaaS and AI applications. It is written in TypeScript, licensed under MPL 2.0, and positioned as an open alternative to Auth0. The project sits in the identity and access management ecosystem, where it provides a central service for login, consent, tokens, user directories, and access control.
read the full Logto overview →
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Frequently asked questions
Is Better Auth or Logto more popular?
Better Auth has 30,019 GitHub stars and Logto has 14,599. Better Auth has the larger community by that measure.
Are Better Auth and Logto free?
Both are open source. Better Auth is licensed under MIT and Logto under MPL-2.0. Neither carries a licence fee.
What is the difference between Better Auth and Logto?
Better Auth is written in TypeScript and Logto in TypeScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Better Auth or Logto?
Choose Better Auth if you want the larger community (30,019 stars) or its MIT licence terms. Choose Logto if its feature set, stack or MPL-2.0 licence fits better. Both are self-hostable.