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 | Lex A | Adobe Firefly A | Hex A | |
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| Tagline | AI search done right. Cited answers, not chat theater. | Google Docs with an AI collaborator baked in. | Commercially safe image gen, deeply integrated with Photoshop. | Modern data notebook with Magic AI assistant. |
| Category | Research | Writing | Image | Data |
| Pricing | Free + $20/mo Pro | Free + $12/mo | Free + included with Creative Cloud | Free + $28+/user/mo |
| Best for | Replacing Google for any question where you want a cited answer in seconds. | Essays, long-form drafts, thinking on the page. | Anyone in Creative Cloud. Brands that need copyright clarity. | Data teams at startups + enterprises. |
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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. | A-tier. Beautiful UX. The writing app I'd pick if I only wrote long-form. | S-tier inside Photoshop (Generative Fill). B-tier standalone. | A-tier for data teams. S-tier if you already live in SQL + Python. |
| Link | Open → | Open → | Open → | Open → |