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
Perplexity S | Midjourney S | GitHub Copilot B | Copy.ai A | |
|---|---|---|---|---|
| Tagline | AI search done right. Cited answers, not chat theater. | The aesthetic gold standard for AI image generation. | Microsoft/GitHub's autocomplete. Deep VS Code + JetBrains integration. | AI GTM platform. Workflows for sales + marketing ops. |
| Category | Research | Image | Coding | Marketing |
| Pricing | Free + $20/mo Pro | $10-$120/mo | Free (limited) + $10/mo Pro + $19/mo Business | Free + $49-$249/mo |
| Best for | Replacing Google for any question where you want a cited answer in seconds. | Anyone who wants beautiful images without thinking about prompts. | Teams with GitHub already. Devs who don't want to change IDEs. | RevOps + marketing ops automating repetitive tasks. |
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| Kai's verdict | S-tier for search. I use it before Google now. If you're still Googling everything, try this for a week. | S-tier for aesthetics. If you care how it looks more than how it's made, this wins. | B-tier. Solid for autocomplete but the category moved past it. Pick Cursor unless you can't. | A-tier for ops automation. B-tier for simple copy (use Claude). |
| Link | Open → | Open → | Open → | Open → |