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 | Midjourney S | Perplexity S | Claude Agent SDK S | |
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| Tagline | OpenAI's browser agent. Clicks and types on websites for you. | The aesthetic gold standard for AI image generation. | AI search done right. Cited answers, not chat theater. | Anthropic's SDK for building your own agents on Claude. |
| Category | Agents | Image | Research | Agents |
| Pricing | Included with ChatGPT Pro $200/mo | $10-$120/mo | Free + $20/mo Pro | API usage + SDK is free |
| Best for | Power users willing to pay $200/mo for a browser bot. | Anyone who wants beautiful images without thinking about prompts. | Replacing Google for any question where you want a cited answer in seconds. | Developers building custom agents for their own company/product. |
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| Kai's verdict | B-tier. Still early. Manus is more flexible for less money. | S-tier for aesthetics. If you care how it looks more than how it's made, this wins. | S-tier for search. I use it before Google now. If you're still Googling everything, try this for a week. | S-tier for builders. The right primitives. What Kai is built on under the hood. |
| Link | Open → | Open → | Open → | Open → |