Introducing Hearth
The quiet AI that never leaves your home.
Hearth runs powerful AI models on your own hardware — no cloud, no accounts, no data leaving your walls. Just a small, warm box that thinks with you.
Ships spring 2027 · 30-day trial · Free returns
Why Hearth
Built for the home, not the cloud.
Everything runs on the box. Your words, your files, your models — all of it stays inside.
Private by design
No accounts, no telemetry, no cloud. Your conversations and files never leave the house — there is simply nowhere for them to go.
Quiet by nature
Fanless, 22 dB at a meter — quieter than a library. You will forget it is on, which is exactly the point.
Always on, always yours
A local wake word listens around the clock. No subscription, no metered minutes — it is yours to use, as much as you like.
Grows with you
Swap model cards to add vision, translation or music. One box, many rooms — and new capabilities as models improve.
Under the hood
Technical specifications
Engineered to run big models at home, quietly and for years.
Pricing
Three sizes. No subscriptions. Ever.
Models are free and local. You pay once, and that is it.
Hearth Base
$499
- 16 GB memory · 512 GB storage
- Models up to 30B parameters
- 1 model card included
- Wake word & voice assistant
Most popular
Hearth Pro
$799
- 32 GB memory · 1 TB storage
- Models up to 70B parameters
- 2 model cards included
- Priority support & home automation
Hearth Studio
$1,299
- 64 GB memory · 2 TB storage
- Models up to 120B parameters
- 4 model cards included
- Multi-room audio & studio API
Every Hearth includes lifetime model updates and a 30-day trial. Prices in USD, taxes excluded.
Questions
Frequently asked questions
No. Hearth works fully offline. The internet is only optional — for downloading new models or software updates, which you trigger yourself. Nothing is transmitted by default.
Any open-weight model that fits in memory: language models up to 70B on Pro, plus vision, speech and translation models. HearthOS ships with a curated set, and you can load your own from local files.
Yes. There is no fan. The box is designed to run cool and silent — 22 dB at a meter, about the level of a quiet library. Most owners tell us they forget where it is.
HearthOS updates bring new models and better performance over the years. You choose when to update, and you can keep your current model. We commit to seven years of software support.
No. There is no subscription, no metered usage and no account. You buy the box once, and it is yours. Models are free and run locally.
The Hearth box, a power cable, a 2.5 Gb Ethernet cable and a quick-start guide. Setup takes about ten minutes — no account, no app, no cloud.