Harness Companion talks with you, remembers what matters, and gets sharper every day. Private by default, free where it can be, escalating to the cloud only when a question truly needs it.
Apple silicon · macOS 14+. The Mac app is in final polish — it scans your Mac and installs the biggest local brain your hardware can run.
Your account is created the first time you open the app — no web form.
Your Mac's memory?
What should Companion focus on first?
We size your local brain and tune Companion to match.
Your local brain handles the everyday at zero marginal cost — it only reaches for a secure cloud model on the genuinely hard questions, and it tells you each time.
Your local brain is sized to your Mac automatically — and it's free. You're choosing your cloud reach and how much headroom Companion has when a task needs more.
6 days free, then $30/mo for Mini or $49/mo for Pro — cancel anytime.
The current video set is focused on Companion.
