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.
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Coding
Image
Productivity
Writing
Marketing
Cursor S | Hex A | Leonardo.ai A | Perplexity S | |
|---|---|---|---|---|
| Tagline | VS Code fork that made AI coding actually work. | Modern data notebook with Magic AI assistant. | Gamer + creator image gen with model fine-tuning built in. | AI search done right. Cited answers, not chat theater. |
| Category | Coding | Data | Image | Research |
| Pricing | Free + $20/mo Pro + $40/mo Business | Free + $28+/user/mo | Free + $12-$60/mo | Free + $20/mo Pro |
| Best for | Developers. Non-developers who want to ship working code. | Data teams at startups + enterprises. | Indie game devs, illustrators, anyone training custom style models. | Replacing Google for any question where you want a cited answer in seconds. |
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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. | A-tier for data teams. S-tier if you already live in SQL + Python. | A-tier for creators training custom looks. B-tier for general use. | S-tier for search. I use it before Google now. If you're still Googling everything, try this for a week. |
| Link | Open → | Open → | Open → | Open → |