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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Fathom S | Hex A | HeyGen S | Sora A | |
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| Tagline | Meeting notes, free forever for individuals. | Modern data notebook with Magic AI assistant. | AI avatar videos. Record once, speak any language. | OpenAI's video model. Long clips, cinematic quality. |
| Category | Meetings | Data | Video | Video |
| Pricing | Free for individuals + $15-$29/user/mo teams | Free + $28+/user/mo | Free + $24-$65/mo | Included with ChatGPT Plus/Pro |
| Best for | Solo operators, freelancers, small teams on a budget. | Data teams at startups + enterprises. | Course creators, multilingual marketers, anyone scaling video content. | ChatGPT subscribers experimenting with cinematic shots. |
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| Kai's verdict | S-tier for solo + free. The best free option, hands down. | A-tier for data teams. S-tier if you already live in SQL + Python. | S-tier for multilingual video. If you sell courses or speak at events, this is a cheat code. | A-tier. Amazing when it works, frustrating when it doesn't. Runway still more reliable for pros. |
| Link | Open → | Open → | Open → | Open → |