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
Replit Agent A | Runway S | Fathom S | |
|---|---|---|---|
| Tagline | Replit's AI that builds + deploys full apps on their platform. | The pro's AI video tool. Gen-4 is the current bar. | Meeting notes, free forever for individuals. |
| Category | Coding | Video | Meetings |
| Pricing | $10-$25/mo Core/Teams | Free + $15-$95/mo | Free for individuals + $15-$29/user/mo teams |
| Best for | Teachers, students, prototypers, hackathon builders. | Marketing video, pitch decks, b-roll, creative shorts. | Solo operators, freelancers, small teams on a budget. |
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| Kai's verdict | A-tier. Best for teaching a kid to code in 2026. | S-tier. Market leader with reason. Start here for serious video. | S-tier for solo + free. The best free option, hands down. |
| Link | Open → | Open → | Open → |