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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Leonardo.ai A | Perplexity S | ChatGPT Operator B | Reflect A | |
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| Tagline | Gamer + creator image gen with model fine-tuning built in. | AI search done right. Cited answers, not chat theater. | OpenAI's browser agent. Clicks and types on websites for you. | AI-powered networked notes. Roam with a brain. |
| Category | Image | Research | Agents | Productivity |
| Pricing | Free + $12-$60/mo | Free + $20/mo Pro | Included with ChatGPT Pro $200/mo | $10/mo |
| Best for | Indie game devs, illustrators, anyone training custom style models. | Replacing Google for any question where you want a cited answer in seconds. | Power users willing to pay $200/mo for a browser bot. | Knowledge workers + thinkers who want AI in their second brain. |
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| Kai's verdict | 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. | B-tier. Still early. Manus is more flexible for less money. | A-tier. Niche but beloved. If you've outgrown Notion, try this. |
| Link | Open → | Open → | Open → | Open → |