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
Reflect A | v0 S | Rows A | Cursor S | |
|---|---|---|---|---|
| Tagline | AI-powered networked notes. Roam with a brain. | Vercel's AI-powered UI generator. Prompt to shadcn component. | Spreadsheets with AI + live integrations baked in. | VS Code fork that made AI coding actually work. |
| Category | Productivity | Design | Data | Coding |
| Pricing | $10/mo | Free + $20/mo | Free + $19-$89/user/mo | Free + $20/mo Pro + $40/mo Business |
| Best for | Knowledge workers + thinkers who want AI in their second brain. | Frontend devs, PMs prototyping UIs, anyone on Next.js. | Ops teams, marketers, anyone building dashboards from multiple sources. | Developers. Non-developers who want to ship working code. |
| Strengths |
|
|
|
|
| Weaknesses |
|
|
|
|
| Kai's verdict | A-tier. Niche but beloved. If you've outgrown Notion, try this. | S-tier. If you're on Vercel/shadcn, this is cheating. | A-tier. The most interesting spreadsheet in years. Great for ops dashboards. | S-tier for coding. If you write code of any kind, this pays back the $20 in a day. |
| Link | Open → | Open → | Open → | Open → |