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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Hex A | Runway S | Hugging Face S | Claude Code S | |
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| Tagline | Modern data notebook with Magic AI assistant. | The pro's AI video tool. Gen-4 is the current bar. | The GitHub of AI. Models, datasets, spaces — all in one. | Anthropic's CLI agent. Opus-powered, operates on your repo directly. |
| Category | Data | Video | Dev Platform | Coding |
| Pricing | Free + $28+/user/mo | Free + $15-$95/mo | Free + $9-$20/mo + enterprise | Part of Claude Pro/Max/Team plans |
| Best for | Data teams at startups + enterprises. | Marketing video, pitch decks, b-roll, creative shorts. | Any ML/AI developer. Hobbyists exploring open models. | Developers who want an agent, not autocomplete. Large refactors, tests, docs. |
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| Kai's verdict | A-tier for data teams. S-tier if you already live in SQL + Python. | S-tier. Market leader with reason. Start here for serious video. | S-tier infrastructure. The one platform every AI dev eventually uses. | S-tier if you live in the terminal. Different shape than Cursor — complementary, not replacement. |
| Link | Open → | Open → | Open → | Open → |