Free
Free
Marketing describes Leon as open source under the MIT license with no paid tier on the public site.
- Access
- Marketing describes Leon as open source under the MIT license with no paid tier on the public site.
Leon
● Identity checkedPersonal assistant · Vendor site 2026-10-04
Leon is an open-source personal assistant you can self-host on your own server. Built with Node.js and Python, it listens for voice or text requests, runs skills through a modular core/brain architecture, and keeps data under your control instead of a third-party cloud assistant.
- Category
- Personal assistant
- Free access
- Marketing describes Leon as open source under the MIT license with no paid tier on the public site.
- API access
- Not confirmed
Is Leon right for you?
A good fit for
Developers and privacy-minded users who want a hackable, self-hosted voice assistant rather than a closed smart-speaker platform.
Before you choose
You must operate the server stack yourself; the site stresses you decide whether to use any third-party integrations.
Your open-source virtual brain
Leon acts as a self-hosted personal assistant you can extend with skills while keeping requests and data on infrastructure you manage.
What it can do
Features & capabilities
Unknown is different from unavailable. Each fact carries its own evidence.
| Capability | Value | Evidence | Checked |
|---|---|---|---|
| Stack | Site states Leon is built on Node.js, Python, and AI concepts with a modular architecture. | Facts sourced | 2026-10-04 |
| Hosting model | Homepage emphasizes Leon lives on your server so you stay in control of your data. | Facts sourced | 2026-10-04 |
| License | Marketing lists the MIT license as the most permissive option for community growth. | Facts sourced | 2026-10-04 |
Understand the total cost
Leon pricing & plans
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Explore toolThe practical questions
Frequently asked questions
What is Leon used for?
Leon is an open-source personal assistant you can self-host on your own server. Built with Node.js and Python, it listens for voice or text requests, runs skills through a modular core/brain architecture, and keeps data under your control instead of a third-party cloud assistant.
Does Leon have a free plan?
Marketing describes Leon as open source under the MIT license with no paid tier on the public site.. This record lists ongoing free access; check the plan limits before starting.
How much does Leon cost?
No paid monthly price is listed; this record treats the product as free to start. See the plan cards for entitlements, billing commitments and seat minimums.
Can I use Leon through an API?
Not confirmed. API access and subscription access may have different terms; consult the linked sources.
What should I check before choosing it?
You must operate the server stack yourself; the site stresses you decide whether to use any third-party integrations.
Price history
No retained pricing changes yet. A current price alone does not establish a historical trend.
How this profile is supported
Identity and profile
Reviewed vendor source
Read original source ↗Facts apply to the named version and check date. Send a sourced correction if something changed.