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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Hugging Face S | Perplexity S | Rows A | Sora A | |
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| Tagline | The GitHub of AI. Models, datasets, spaces — all in one. | AI search done right. Cited answers, not chat theater. | Spreadsheets with AI + live integrations baked in. | OpenAI's video model. Long clips, cinematic quality. |
| Category | Dev Platform | Research | Data | Video |
| Pricing | Free + $9-$20/mo + enterprise | Free + $20/mo Pro | Free + $19-$89/user/mo | Included with ChatGPT Plus/Pro |
| Best for | Any ML/AI developer. Hobbyists exploring open models. | Replacing Google for any question where you want a cited answer in seconds. | Ops teams, marketers, anyone building dashboards from multiple sources. | ChatGPT subscribers experimenting with cinematic shots. |
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| Kai's verdict | S-tier infrastructure. The one platform every AI dev eventually uses. | S-tier for search. I use it before Google now. If you're still Googling everything, try this for a week. | A-tier. The most interesting spreadsheet in years. Great for ops dashboards. | A-tier. Amazing when it works, frustrating when it doesn't. Runway still more reliable for pros. |
| Link | Open → | Open → | Open → | Open → |