SigmaOS pricing
3 plans read from sigmaos.com
BasicPrice not published Unlimited workspaces · Fast ad-blocker · Limited Airis Assistant Read 21 Sep 2026 · sigmaos.com
Personal Pro$20 a month billed monthlyUnlimited Advanced Airis · Look it up with high usage · Interactive Summaries with high usage Read 21 Sep 2026 · sigmaos.com
Personal Max$30 a month billed monthlyEverything in Personal Pro · More LLM models · Unlimited Look it up queries · Unlimited Interactive Summaries Read 21 Sep 2026 · sigmaos.com
In short
- SigmaOS has a free plan (Basic).
- Paid plans published: 2, from $20 a month.
What the alternatives costAll alternatives →
| Tool | From | Free plan | Free trial |
|---|---|---|---|
| Brave Browser | $2.50/mo | Yes | Yes |
| AVG Secure Browser | $3.33/mo | Yes | Yes |
| Waterfox | $5/mo | Yes | Yes |
| DuckDuckGo Browser | $8.33/mo | Yes | No |
| Opera | $4/mo | Yes | Yes |
| 360 Secure Browser | 4.83 CNY/mo | No | Yes |
| Kameleo | €3.75/mo | Yes | No |
| Google Chrome | — | Yes | No |