Sentient
macOS assistant that analyses the notes, messages, mail, calendar and files the user enables on the Mac, keeps what it learns as plain Markdown files on the Mac, and drafts replies in the user's voice, prepares suggestions overnight for approval and carries out tasks with its own cursor, using the user's own ChatGPT or Claude plan, an API provider or a local model; free and open source, with the business model aimed at enterprise connectors and support.
What it does
- Computer use
- Email assistance
- Knowledge retrieval
Features 6
- Tasks with its own cursorSidekick uses the computer like a person to finish a task.
- Replies in your voiceDrafts the reply the user would have written in two taps.
- Overnight preparationWakes the user to work noticed, researched and prepared.
- Waits for approvalPrepares suggestions overnight but waits for approval before acting.
- Your choice of AIUse a ChatGPT or Claude plan, an API provider or a local model.
- Knowledge you can readWhat it learns is stored as readable files in a folder on the Mac.
Sources
- Pricing
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Official documentation · 18 Oct 2026
Home page FAQ: "you get a free, open-source personal assistant" while companies pay for work integrations and support; no price is published on the pages read.
- Description
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Official documentation · 18 Oct 2026
Home page: "Sentient picks up tasks on your computer with its own cursor. And drafts replies in your voice in two taps."
- What it does
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Official documentation · 18 Oct 2026
Home page: "Sentient picks up tasks on your computer with its own cursor. And drafts replies in your voice in two taps."
- Constraints
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Official documentation · 18 Oct 2026
Derived from the security facts on this page, from the same source.
- Security
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Official documentation · 18 Oct 2026
Privacy policy: with a cloud model the chosen provider's own account settings, training choices and retention policies apply, so no training value is recorded for the vendor; no certification or security feature is stated on the pages read.
- Sold within
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Free, open-source personal assistant; enterprise connectors and support are paid per the home page.
- Name
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Official documentation · 18 Oct 2026
Name as published on the product page.
- URL
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Official documentation · 18 Oct 2026
Product page, read 2026-10-18.
- Deployment
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Official documentation · 18 Oct 2026
Home page: the built-in model works on the Mac and the user chooses whether a cloud model, or the built-in cloud service for Double Tap, also receives context; so on-device and hybrid are both recorded.
- Interfaces
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Official documentation · 18 Oct 2026
Home page: Download for macOS and a Homebrew install command; the app lives in the menu bar.
Open Sentient OS in the directory
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