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SigmaOS

Under review· 1

WebKit-powered macOS browser with an AI assistant called Airis and Chromium extension support.

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SigmaOS has 4 plans: a free plan and paid plans from $20/month. We last read its pricing page on 3 October 2026. We have not recorded a price change.

SigmaOS plans and prices

Basic

$0
  • Unlimited workspaces
  • Fast ad-blocker
  • Airis Assistant (limited)
  • Intelligent Tracking Protection via WebKit

Personal Pro

monthly
$20/mo
  • Everything in Personal, plus:
  • Unlimited Advanced Airis (GPT-4o)
  • Look it up (high usage)
  • Interactive Summaries (high usage)
  • Chromium extension support
  • 50% discount for students and educators
  • 14-day money back guarantee

Personal Max

monthly
$30/mo
  • Everything in Personal Pro, plus:
  • More LLM models (Llama, Claude)
  • Unlimited Look it up queries
  • Unlimited Interactive Summaries
  • 14-day money back guarantee

SigmaOS Pro

monthly
$20/mo

Price history

Last 1 recorded changes

DatePlanChangeOldNewΔ%
Sep 18, 2026SigmaOS ProNew plan—$20—

Other AI & ML products

No confirmed alternatives yet.

PriceTrack

SaaS pricing pages, captured on a schedule. Changes listed only when the vendor's own page confirms them.

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