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.
Pick tools (4 selected)
Coding
Image
Productivity
Writing
Marketing
Runway S | Lex A | Claude Code S | Hugging Face S | |
|---|---|---|---|---|
| Tagline | The pro's AI video tool. Gen-4 is the current bar. | Google Docs with an AI collaborator baked in. | Anthropic's CLI agent. Opus-powered, operates on your repo directly. | The GitHub of AI. Models, datasets, spaces — all in one. |
| Category | Video | Writing | Coding | Dev Platform |
| Pricing | Free + $15-$95/mo | Free + $12/mo | Part of Claude Pro/Max/Team plans | Free + $9-$20/mo + enterprise |
| Best for | Marketing video, pitch decks, b-roll, creative shorts. | Essays, long-form drafts, thinking on the page. | Developers who want an agent, not autocomplete. Large refactors, tests, docs. | Any ML/AI developer. Hobbyists exploring open models. |
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| Kai's verdict | S-tier. Market leader with reason. Start here for serious video. | A-tier. Beautiful UX. The writing app I'd pick if I only wrote long-form. | S-tier if you live in the terminal. Different shape than Cursor — complementary, not replacement. | S-tier infrastructure. The one platform every AI dev eventually uses. |
| Link | Open → | Open → | Open → | Open → |