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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Hex A | Perplexity S | ChatGPT Operator B | Pika A | |
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| Tagline | Modern data notebook with Magic AI assistant. | AI search done right. Cited answers, not chat theater. | OpenAI's browser agent. Clicks and types on websites for you. | The playful, accessible AI video tool. |
| Category | Data | Research | Agents | Video |
| Pricing | Free + $28+/user/mo | Free + $20/mo Pro | Included with ChatGPT Pro $200/mo | Free + $8-$58/mo |
| Best for | Data teams at startups + enterprises. | Replacing Google for any question where you want a cited answer in seconds. | Power users willing to pay $200/mo for a browser bot. | Social media creators, beginners, anyone wanting quick fun clips. |
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| Kai's verdict | A-tier for data teams. S-tier if you already live in SQL + Python. | 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 for social/casual. B-tier for serious work. Good entry point. |
| Link | Open → | Open → | Open → | Open → |