kitio.aiSuperhuman Go vs SigmaOS
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Superhuman Go starts at See pricing page and SigmaOS starts at See pricing page. Check both pricing pages for current plans.
At a glance
Best for
Category
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Proactive suggestions
- Agent store
- App connectors
- Reply drafting
- Works where you type
- Workspaces
- Vertical tabs
- Tabs as tasks
- Split screen
- Lazy Search
- Airis AI companion
| Feature | Superhuman Go | SigmaOS |
|---|---|---|
| Best for | AI assistant that brings agents into the apps you already use | Mac browser with workspaces, tabs as tasks and an AI companion |
| Category | Productivity | Productivity |
| Pricing model | Freemium | Freemium |
| Starting price | See pricing page | See pricing page |
| Free plan | Yes | Yes |
| Made by | Superhuman | SigmaOS |
| Based in | United States | United States |
| Rating | No ratings yet | No ratings yet |
| Key features |
|
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Pricing compared
Superhuman Go starts at See pricing page and SigmaOS starts at See pricing page. Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
4 plans
Free
Free
- Basic inline agent suggestions
- Chat with your tabs and apps
- Limited AI chat
Pro
₹1,250/mo
- Per member
- Chat and prompt from your cursor
- Email Assistant drafts replies
- Connect Gmail, Slack, Calendar
Business
₹3,299/mo
- Per member
- Connect Jira, Linear, Asana, Zendesk
- More custom agents
Enterprise
Custom
- Salesforce, HubSpot, Workday connectors
- Enterprise security and admin
- Agent access controls
Prices in USD, checked Oct 28, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
Superhuman Go
- Works across many apps
- Builds on Grammarly's reach
- Agents from partners
- Still a young product
- Needs access to many accounts
SigmaOS
- Free to download
- Clear tab organization by workspace
- AI answers in the page context
- Mac only
- Takes getting used to after Chrome
- Pricing for extras not shown
Which one should you choose?
Choose Superhuman Go if you want:
- Works across many apps
- Builds on Grammarly's reach
- Agents from partners
Watch out: still a young product.
Choose SigmaOS if you want:
- Free to download
- Clear tab organization by workspace
- AI answers in the page context
Watch out: mac only.
Superhuman Go vs SigmaOS FAQ
What is the difference between Superhuman Go and SigmaOS?
Superhuman Go: AI assistant that brings agents into the apps you already use. SigmaOS: Mac browser with workspaces, tabs as tasks and an AI companion. Both are productivity tools.
Is Superhuman Go or SigmaOS cheaper?
Superhuman Go starts at See pricing page and SigmaOS starts at See pricing page. Check both pricing pages for current plans.
Do Superhuman Go and SigmaOS have free plans?
Superhuman Go: Yes. SigmaOS: Yes.
Who makes Superhuman Go?
Superhuman Go is made by Superhuman, based in United States.
Who makes SigmaOS?
SigmaOS is made by SigmaOS, based in United States.
Which should I choose, Superhuman Go or SigmaOS?
Choose Superhuman Go if you value works across many apps and builds on grammarly's reach. Choose SigmaOS if you value free to download and clear tab organization by workspace.