sigmaos-airis-alpha

sigmaos-airis-alpha

SigmaOS is a macOS browser built around workspaces, vertical tabs, and focus tools. Its Airis AI assistant can answer questions about webpages, search the web, and create interactive summaries.

sigmaos-airis-alpha is ai agents software teams evaluate for content & marketing. Use this page to review pricing, integration signals, and the best alternatives before you commit.

Freemium Enterprise
One of 578 tools in AI Agents
Just launched
Data reviewed Sep 30, 2026

Profile facts come from the vendor source. AiMatch labels unknown pricing or API details instead of estimating them.

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Quick Overview

Best for: Content & Marketing

What it does

AI Agents software for decision-makers comparing workflow fit and alternatives.

Best fit

Content & Marketing

Pricing snapshot

Freemium from Free

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SigmaOS is a macOS web browser designed to organize browsing around work. It uses workspaces and vertical tab lists to keep pages grouped, and lets users mark tabs as done or lock them for later. Split screen and Focus Mode support working with fewer distractions.

Its Airis assistant adds AI features directly to browsing: users can ask questions about the current website, search the internet, and turn a website into an interactive summary. SigmaOS also includes ad blocking, browser migration, Chromium extension support, and syncing between Macs.

SigmaOS is a productivity-focused browser with AI tools and organization features.

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Key Features

Workspaces and vertical tabs

Organize pages into separate workspace lists, view open pages in a vertical layout, and group tabs by activity or context.

Tabs as tasks

Mark a tab as done when finished or lock it to keep it in a workspace. Locked tabs can be automatically renamed with Magic Rename.

Split screen and Focus Mode

View two websites at once with split screen, or use Focus Mode to hide browser controls and show only the current webpage.

Airis page assistant

Ask questions about the website you're viewing, find information using your own words, or request explanations of specific paragraphs.

Look it up

Ask Airis a question and have it search the internet, read multiple pages, and provide a starting point with follow-up questions.

Interactive website summaries

Simplify a website into a short interactive summary and ask follow-up questions about it.

Lazy Search

Use the spacebar to search across open tabs, the internet, commands, and bookmarks.

Ad blocking

SigmaOS includes an ad blocker for browsing without ads.

Migration and separate profiles

Import logins, cookies, and history from a previous browser, and use separate profiles to sign into different accounts in different workspaces.

Shortcuts and link previews

Use single-key shortcuts for actions such as creating a workspace or marking a page done. Command-Hover previews a link without opening it.

Autosync

Retrieve a SigmaOS setup on another Mac by logging into the user's account.

WebKit and page suspension

SigmaOS uses WebKit and automatically unloads pages that have not been used for a while, caching temporary data.

Chromium extension support

Install popular Chromium extensions from the Chrome Web Store.

Pricing

Free Tier Available

The Basic plan is free and includes unlimited workspaces, a fast ad blocker, and limited Airis Assistant usage.

Basic

Free
  • Unlimited workspaces
  • Fast ad blocker
  • Airis Assistant with limited usage

Personal Pro

$20 per month
  • Everything in Personal
  • Unlimited Advanced Airis (GPT-4o)
  • Look it up with high usage
  • Interactive Summaries with high usage

Personal Max

$30 per month
  • Everything in Personal Pro
  • More LLM models, including Llama and Claude
  • Unlimited Look it up queries
  • Unlimited Interactive Summaries

Use Cases

Organize research and writing

Keep research, writing, analytics, or other browsing activities in separate workspaces and manage pages as a task list.

Understand web pages faster

Ask Airis questions about a page, request an explanation of a paragraph, or create an interactive summary of a website.

Work across accounts

Use separate profiles in different workspaces to move between accounts, such as company and personal social accounts.

Compare information side by side

Use split screen to view and work with two websites at once.

Integrations

Chrome Web Store extensions

SigmaOS supports popular Chromium extensions. The page names Grammarly, LastPass, Honey, and Todoist as examples.

Benefits

Keeps related pages grouped in workspaces and makes open tabs easier to scan.
Brings webpage questions, web search, and interactive summaries into the browser.
Supports focused browsing with Focus Mode, tab completion, and ad blocking.
Makes switching browsers easier by importing logins, cookies, and history.

Limitations

SigmaOS is currently available only on macOS; the page describes iOS and Windows support as coming soon.
Airis Assistant usage is limited on the free Basic plan.

Frequently Asked Questions

Is SigmaOS free?
SigmaOS Personal is free. The Basic plan includes unlimited workspaces, a fast ad blocker, and limited Airis Assistant usage. Paid plans start at $20 per month.
Does SigmaOS support Chrome extensions?
Yes. SigmaOS supports popular Chromium extensions from the Chrome Web Store, including examples such as Grammarly, LastPass, Honey, and Todoist.
Is SigmaOS available on Windows?
No. The page says SigmaOS is currently available only on macOS, with iOS and Windows support described as coming soon.
What is SigmaOS built for?
The page names students managing courses, founders building startups, creatives expressing their art, and others who want a different browser experience.
How does SigmaOS protect passwords?
SigmaOS uses Apple Keychain to protect passwords and lock them behind Touch ID or biometrics when available. The page also says WebKit includes security and privacy features such as Intelligent Tracking Protection.

Getting Started

  1. 1 Download SigmaOS using the Get SigmaOS Free option on the site.
  2. 2 Set up the browser on a Mac and, if switching from another browser, bring over logins, cookies, and history.
  3. 3 Create workspaces and organize pages into vertical tab lists.
  4. 4 Use Airis on a webpage to ask questions, look up information, or create an interactive summary.

Support

Community

The page invites users to join the SigmaOS Slack community to share feedback and discuss browsers.

API

Available: No

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