Leon vs Willow

A side-by-side comparison of two self-hosted self-hosted ai options — licensing, setup difficulty, resource needs, and what each one replaces.

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FeatureLeonWillow
CategorySelf-Hosted AISelf-Hosted AI
LicenseMITApache-2.0
LanguageTypeScriptC
Setup difficultyMediumHard
Min. RAM2,048 MB4,096 MB
Deploymentbare-metal, source, dockerdocker, bare-metal
GitHub stars★ 17,419★ 3,086
First released20192023
ReplacesGoogle Assistant, AlexaAmazon Alexa, Google Assistant

Why pick each one

Choose Leon if…

  • Released under the MIT license
  • First-class Docker support for quick deployment
  • Mature project with 17.4k GitHub stars
  • Written in TypeScript
Leon details

Choose Willow if…

  • Released under the Apache-2.0 license
  • First-class Docker support for quick deployment
  • Active community (3.1k GitHub stars)
  • Written in C
Willow details

Frequently asked questions

Is Leon or Willow better?

Leon is the stronger all-round pick: it has both the larger community and the simpler medium setup. Consider Willow if its specific feature set fits your needs better.

Are Leon and Willow free and open-source?

Yes. Leon is licensed under MIT and Willow under Apache-2.0. Both can be self-hosted at no software cost.

Can I run Leon and Willow with Docker?

Leon: yes. Willow: yes.

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