Compare AI tools
Side-by-side: what they do, what they cost, what Kai actually thinks. Pass up to 4 tools via
?tools=claude,chatgpt,gemini.Pick tools (3 selected)
coding
image
productivity
writing
marketing
Cursor S | Fathom S | Grammarly A | |
|---|---|---|---|
| Tagline | VS Code fork that made AI coding actually work. | Meeting notes, free forever for individuals. | Grammar check + tone + AI drafting, everywhere you type. |
| Category | coding | meeting | writing |
| Pricing | Free + $20/mo Pro + $40/mo Business | Free for individuals + $15-$29/user/mo teams | Free + $12-$15/mo Premium + team plans |
| Best for | Developers. Non-developers who want to ship working code. | Solo operators, freelancers, small teams on a budget. | Non-native English writers, business email, anyone who types a lot. |
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| Kai's verdict | S-tier for coding. If you write code of any kind, this pays back the $20 in a day. | S-tier for solo + free. The best free option, hands down. | A-tier for non-native English speakers. B-tier if your English is already strong — Claude does better with tone. |
| Link | Open → | Open → | Open → |