Free
Free
Willow is an open-source project you can self-host without a commercial subscription on heywillow.org.
- Access
- Willow is an open-source project you can self-host without a commercial subscription on heywillow.org.
Finding the possibilities
Willow
● Identity checkedVoice · Vendor site 2026-10-04
Willow is an open-source, privacy-focused voice assistant platform built primarily for Espressif hardware with self-hosted components such as the Willow Application Server and Willow Inference Server. The project targets Alexa-class response speed with completely local, user-controlled hosting.
- Category
- Voice
- Free access
- Willow is an open-source project you can self-host without a commercial subscription on heywillow.org.
- API access
- Not confirmed
Is Willow right for you?
A good fit for
Builders and hobbyists who want local, privacy-preserving voice assistants on inexpensive open hardware.
Before you choose
Users must assemble and maintain Willow hardware and server components themselves because there is no hosted SaaS pricing page.
Self-hosted voice platform
Willow combines open-source application and inference servers so users can run private voice assistants on their own hardware.
What it can do
Features & capabilities
Unknown is different from unavailable. Each fact carries its own evidence.
| Capability | Value | Evidence | Checked |
|---|---|---|---|
| Open source | Willow is described as a practical, open source, privacy-focused voice assistant platform. | Facts sourced | 2026-10-04 |
| Hardware target | The project primarily targets Espressif hardware with kitchen-counter-ready devices. | Facts sourced | 2026-10-04 |
| Performance goal | Documentation aims for sub-500ms end-of-speech to completed action response times. | Facts sourced | 2026-10-04 |
Understand the total cost
Willow pricing & plans
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Explore toolThe practical questions
Frequently asked questions
What is Willow used for?
Willow is an open-source, privacy-focused voice assistant platform built primarily for Espressif hardware with self-hosted components such as the Willow Application Server and Willow Inference Server. The project targets Alexa-class response speed with completely local, user-controlled hosting.
Does Willow have a free plan?
Willow is an open-source project you can self-host without a commercial subscription on heywillow.org.. This record lists ongoing free access; check the plan limits before starting.
How much does Willow 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 Willow 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?
Users must assemble and maintain Willow hardware and server components themselves because there is no hosted SaaS pricing page.
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.