Key features
Press the Space bar to instantly search the current tab, the entire web, commands, or bookmarks; press W to create a new Workspace, and D to mark a page as completed—operations are streamlined and highly efficient.
Built-in browser assistant Airis understands the context of the current website, proactively searches, and generates information starting points. It supports “Look it up” queries and interactive summaries, while the Pro version unlocks GPT-4o-powered unlimited advanced Airis features.
Use cases and audience
Designed for students juggling multiple courses, founders developing startup projects, creative professionals expressing their art, and anyone who needs to efficiently organize their web-based workflows.
- Students can manage course materials and web tabs across multiple subjects.
- Founders can simultaneously handle multiple startup project webpages and collaboration tools.
- Creative professionals organize their inspirations, reference websites, and portfolio pages into groups.
User inputs include web URLs, search keywords, command instructions, bookmark names, and the contextual content of the currently viewed website—for Airis to understand and respond accordingly.
Features include structured workspace tab layouts, real-time link previews, AI-generated information summaries, integrated pages displaying online search results, and seamless cross-login page navigation.
Frequently asked questions
Is SigmaOS free?
The Personal edition of SigmaOS is permanently free for everyone.
Are there any usage limits for the Airis assistant?
SigmaOS Personal has limited Airis assistant features; upgrading to SigmaOS Pro unlocks unlimited Advanced Airis usage powered by GPT-4o.
How to use
- 01
Press the W key to create a new workspace.
- 02
Use the vertical tab list to categorize and manage open webpages.
- 03
Press the Spacebar to quickly search tabs, bookmarks, the internet, or commands.
- 04
Enable the Airis assistant to obtain a summary of information from the current website or generate a starting point online.
Pricing and availability
SigmaOS Personal is free; SigmaOS Pro starts at $20/month, including unlimited workspaces, unlimited Advanced Airis (GPT-4o), and unlimited “Look it up” queries with interactive summaries. Currently supported only on macOS, with iOS and Windows versions coming soon.
- Pricing source
- https://sigmaos.com/
- Pricing last updated
- 2026-11-02
Prices and limits may change. Check the official website for current terms.
Official website & sources
Sources
Updated on 2026-11-02
