Leon
Leon: A self-hosted voice and text assistant for developers who want to extend its skills. Ranked #14 of 19 in AI Voice Assistants by our editors (6.8/10); pricing: Free plan; best for developers seeking a free, self-hosted voice assistant.
At a glance
- Editor score6.8 / 10
- PricingFree plan
- Best forDevelopers seeking a free, self-hosted voice assistant
- Free planYes
- Paid fromFree
- Facts checked24 Sep 2026
Where it wins
- Combines voice interaction with a text-based assistant interface.
- Includes speech recognition and text-to-speech responses.
- Extensible skills support custom tasks in a self-hosted setup.
Where it doesn't
- No mobile apps are listed.
- No desktop apps are listed.
- The published feature set is relatively focused on voice, text, and skills.
Our verdict on Leon
Leon is an open-source personal assistant for people who want to operate and customize their own assistant rather than rely on a hosted consumer service. It offers voice and text interaction, with speech recognition and text-to-speech responses for spoken exchanges. Its self-hosted deployment makes it a fit for developers and technically inclined individuals who want control over where the assistant runs and how it handles custom tasks.
Leon’s defining feature is its extensible skills model: users can add skills for custom tasks, making the assistant adaptable beyond its basic voice and text interface. This suits people comfortable shaping an assistant around their own needs. Its scope is relatively focused, however; the listed capabilities center on interaction, speech processing, and skills rather than a broad range of integrations or ready-made ecosystem connections. Those seeking a polished consumer assistant with an extensive app ecosystem may prefer another product.
Leon is presented as open source and available at no listed cost, with web and self-hosted platforms and cloud and self-hosted deployment options. The published plan information identifies a free plan, but does not describe paid tiers to compare. Mobile and desktop apps are not listed, so the practical fit is strongest for solo users or small teams prepared to work through a web interface or manage a self-hosted deployment. Choose Leon if extensibility and running your own assistant matter more than packaged platform breadth; look elsewhere if you need mobile or desktop apps or a wider ready-to-use feature set.
Your product? Our editors can test Leon in depth and publish a review, labelled as paid · from $149/mo →
Leon pricing
Leon fact sheet
| Free plan | Yes |
|---|---|
| Paid from | Free |
| Mobile apps | No |
| Desktop apps | No |
| Smart-home control | Not verified |
| Custom actions | Yes |
| Web search | Not verified |
| Conversation memory | Not verified |
| Deployment | Cloud, Self-hosted |
| Platforms | Web |
| Built for | Solo, Small business (editorial estimate) |
| Pricing | Free plan |
| Website | getleon.ai |
| Facts checked | 24 Sep 2026 |
Alternatives to Leon
- GeminiA connected assistant for voice, research, files, and Google apps across devices.9.2
- BixbyA free, Galaxy-focused assistant for device control, routines, reminders and SmartThings.8.5
- Meta AIFree voice chat with web search, file analysis and access across Meta apps.8.4
Also Ranked In
Leon is ranked in 2 of our directories.
Used Leon? Be the first to review it
The editor score above is our own research. What this page doesn't have yet is a reader's view — what you used Leon for, what worked and what didn't. No stars are seeded and no review is paid for; an editor reads every one before it appears.
Write a reviewTwo minutes · verified accounts only · read by an editor before it appears
Featured on iTechGuides
Leon is listed in our AI Voice Assistants directory. Add the badge to your site — it links back to this page.
<a href="https://www.itechguides.com/products/leon/"><img src="https://www.itechguides.com/best/badge/leon.svg" alt="Featured on iTechGuides" width="230" height="46"></a>
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.
Last updated · How we research and update