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 | Replicate S | Aider 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. | Run any open-source AI model with an API call. | Terminal-based AI pair programmer. Git-aware, model-flexible. |
| Category | Agents | Video | Dev Platform | Coding |
| Pricing | Included with ChatGPT Pro $200/mo | Included with Gemini Advanced $20/mo + YouTube creator tools | Pay per second of compute | Free (open source) + whatever API you use |
| Best for | Power users willing to pay $200/mo for a browser bot. | Gemini Advanced users, YouTube Shorts creators. | Developers using open-source models (Flux, SDXL, Whisper, etc). | Developers who want open-source tooling with full control. |
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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 open-source model APIs. The default in this space. | A-tier. The right answer if you want open-source + terminal-native + model-agnostic. |
| Link | Open → | Open → | Open → | Open → |