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)
coding
image
productivity
writing
marketing
GitHub Copilot B | Leonardo.ai A | Writesonic B | Perplexity S | |
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| Tagline | Microsoft/GitHub's autocomplete. Deep VS Code + JetBrains integration. | Gamer + creator image gen with model fine-tuning built in. | SEO-first AI writer. Optimized for ranking content. | AI search done right. Cited answers, not chat theater. |
| Category | coding | image | marketing | research |
| Pricing | Free (limited) + $10/mo Pro + $19/mo Business | Free + $12-$60/mo | Free + $15-$99/mo | Free + $20/mo Pro |
| Best for | Teams with GitHub already. Devs who don't want to change IDEs. | Indie game devs, illustrators, anyone training custom style models. | Content marketers churning out SEO articles. | Replacing Google for any question where you want a cited answer in seconds. |
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| Kai's verdict | B-tier. Solid for autocomplete but the category moved past it. Pick Cursor unless you can't. | A-tier for creators training custom looks. B-tier for general use. | B-tier. Use Claude + manual SEO thinking. Writesonic is fast but generic. | 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 → |