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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Coding
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Productivity
Writing
Marketing
Claude Agent SDK S | Google Veo A | ChatGPT Operator B | |
|---|---|---|---|
| Tagline | Anthropic's SDK for building your own agents on Claude. | Google's video model. Baked into Gemini + YouTube Shorts. | OpenAI's browser agent. Clicks and types on websites for you. |
| Category | Agents | Video | Agents |
| Pricing | API usage + SDK is free | Included with Gemini Advanced $20/mo + YouTube creator tools | Included with ChatGPT Pro $200/mo |
| Best for | Developers building custom agents for their own company/product. | Gemini Advanced users, YouTube Shorts creators. | Power users willing to pay $200/mo for a browser bot. |
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| Kai's verdict | S-tier for builders. The right primitives. What Kai is built on under the hood. | A-tier if you already pay Gemini. B-tier standalone. | B-tier. Still early. Manus is more flexible for less money. |
| Link | Open → | Open → | Open → |