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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ChatGPT Operator B | Google Veo A | Perplexity S | Lex A | |
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| Tagline | OpenAI's browser agent. Clicks and types on websites for you. | Google's video model. Baked into Gemini + YouTube Shorts. | AI search done right. Cited answers, not chat theater. | Google Docs with an AI collaborator baked in. |
| Category | Agents | Video | Research | Writing |
| Pricing | Included with ChatGPT Pro $200/mo | Included with Gemini Advanced $20/mo + YouTube creator tools | Free + $20/mo Pro | Free + $12/mo |
| Best for | Power users willing to pay $200/mo for a browser bot. | Gemini Advanced users, YouTube Shorts creators. | Replacing Google for any question where you want a cited answer in seconds. | Essays, long-form drafts, thinking on the page. |
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| Kai's verdict | B-tier. Still early. Manus is more flexible for less money. | A-tier if you already pay Gemini. B-tier standalone. | 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. |
| Link | Open → | Open → | Open → | Open → |