
SigmaOS is a revolutionary browser designed to enhance productivity and streamline internet usage. It offers features like Workspaces for tab organization, Vertical Tabs for better overview, and Split Screen for multitasking. The browser incorporates an AI assistant named Airis, which provides contextual answers and explanations directly within the browser. SigmaOS also boasts a Magic Theme for aesthetic customization, an ad-blocker, and a Focus Mode for distraction-free browsing. For enhanced workflow, it includes features like Lazy Search, Single-key Shortcuts, and Command-Hover for link previews. The browser is built using WebKit and SwiftUI, optimized for macOS, and supports Chrome Extensions. SigmaOS offers a free personal version with limited Airis usage and paid Pro and Max versions with enhanced AI capabilities and features, targeting students, researchers, founders, educators, and creators seeking a more efficient and peaceful internet experience.

SigmaOS is a revolutionary browser designed to enhance productivity and streamline internet usage. It offers features like Workspaces for tab organization, Vertical Tabs for better overview, and Split Screen for multitasking. The browser incorporates an AI assistant named Airis, which provides contextual answers and explanations directly within the browser. SigmaOS also boasts a Magic Theme for aesthetic customization, an ad-blocker, and a Focus Mode for distraction-free browsing. For enhanced workflow, it includes features like Lazy Search, Single-key Shortcuts, and Command-Hover for link previews. The browser is built using WebKit and SwiftUI, optimized for macOS, and supports Chrome Extensions. SigmaOS offers a free personal version with limited Airis usage and paid Pro and Max versions with enhanced AI capabilities and features, targeting students, researchers, founders, educators, and creators seeking a more efficient and peaceful internet experience.
Product: macOS-focused WebKit browser with workspaces, vertical tabs, split-screen, and AI assistant (Airis)
Business model: Free Personal tier plus paid Pro/Max subscriptions and team plans
Founding: Founded in 2021 by Mahyad Ghassemibouyaghchi, Ali Attar, and Saurav Mitra
Funding: Raised $4M seed (Nov 16, 2022) led by LocalGlobe
Browser productivity and multitasking for knowledge workers and creators on macOS.
2021
Software / Web browser
$4,000,000
Round included participation from Y Combinator and several early-stage VCs and angels
“Led by LocalGlobe with participation from Y Combinator and multiple early-stage investors”