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
Cursor S | Runway S | Reflect A | |
|---|---|---|---|
| Tagline | VS Code fork that made AI coding actually work. | The pro's AI video tool. Gen-4 is the current bar. | AI-powered networked notes. Roam with a brain. |
| Category | Coding | Video | Productivity |
| Pricing | Free + $20/mo Pro + $40/mo Business | Free + $15-$95/mo | $10/mo |
| Best for | Developers. Non-developers who want to ship working code. | Marketing video, pitch decks, b-roll, creative shorts. | Knowledge workers + thinkers who want AI in their second brain. |
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| Kai's verdict | S-tier for coding. If you write code of any kind, this pays back the $20 in a day. | S-tier. Market leader with reason. Start here for serious video. | A-tier. Niche but beloved. If you've outgrown Notion, try this. |
| Link | Open → | Open → | Open → |