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 (3 selected)
Coding
Image
Productivity
Writing
Marketing
Runway S | Lex A | Fathom S | |
|---|---|---|---|
| Tagline | The pro's AI video tool. Gen-4 is the current bar. | Google Docs with an AI collaborator baked in. | Meeting notes, free forever for individuals. |
| Category | Video | Writing | Meetings |
| Pricing | Free + $15-$95/mo | Free + $12/mo | Free for individuals + $15-$29/user/mo teams |
| Best for | Marketing video, pitch decks, b-roll, creative shorts. | Essays, long-form drafts, thinking on the page. | Solo operators, freelancers, small teams on a budget. |
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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 for solo + free. The best free option, hands down. |
| Link | Open → | Open → | Open → |