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)
Dev Platform
Coding
Image
Productivity
Writing
Marketing
Leonardo.ai A | Writesonic B | Hume AI A | Perplexity S | |
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| Tagline | Gamer + creator image gen with model fine-tuning built in. | SEO-first AI writer. Optimized for ranking content. | Voice AI that reads + expresses emotion. | AI search done right. Cited answers, not chat theater. |
| Category | Image | Marketing | Voice | Research |
| Pricing | Free + $12-$60/mo | Free + $15-$99/mo | Free tier + pay-as-you-go | Free + $20/mo Pro |
| Best for | Indie game devs, illustrators, anyone training custom style models. | Content marketers churning out SEO articles. | Therapy apps, customer service, any voice agent where emotion matters. | Replacing Google for any question where you want a cited answer in seconds. |
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| Kai's verdict | A-tier for creators training custom looks. B-tier for general use. | B-tier. Use Claude + manual SEO thinking. Writesonic is fast but generic. | A-tier in its niche. The only one that actually gets emotion right. | 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 → |