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 (4 selected)
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Windsurf A | Fathom S | Cursor S | Claude Code S | |
|---|---|---|---|---|
| Tagline | Codeium's agentic IDE. Cascade agent + strong free tier. | Meeting notes, free forever for individuals. | VS Code fork that made AI coding actually work. | Anthropic's CLI agent. Opus-powered, operates on your repo directly. |
| Category | coding | meeting | coding | coding |
| Pricing | Free + $15/mo Pro | Free for individuals + $15-$29/user/mo teams | Free + $20/mo Pro + $40/mo Business | Part of Claude Pro/Max/Team plans |
| Best for | Developers who want Cursor-like power for less money. | Solo operators, freelancers, small teams on a budget. | Developers. Non-developers who want to ship working code. | Developers who want an agent, not autocomplete. Large refactors, tests, docs. |
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| Kai's verdict | A-tier. Close second to Cursor. If $5/mo matters, start here. | S-tier for solo + free. The best free option, hands down. | S-tier for coding. If you write code of any kind, this pays back the $20 in a day. | S-tier if you live in the terminal. Different shape than Cursor — complementary, not replacement. |
| Link | Open → | Open → | Open → | Open → |