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
Cursor S | Hex A | NotebookLM S | Rows A | |
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| Tagline | VS Code fork that made AI coding actually work. | Modern data notebook with Magic AI assistant. | Google's research notebook. Turns your docs into a podcast. | Spreadsheets with AI + live integrations baked in. |
| Category | coding | data | research | data |
| Pricing | Free + $20/mo Pro + $40/mo Business | Free + $28+/user/mo | Free | Free + $19-$89/user/mo |
| Best for | Developers. Non-developers who want to ship working code. | Data teams at startups + enterprises. | Students, researchers, anyone with a stack of PDFs or a topic to learn. | Ops teams, marketers, anyone building dashboards from multiple sources. |
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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. | A-tier for data teams. S-tier if you already live in SQL + Python. | S-tier for study. The Audio Overview is a killer feature. Try it with three of your favorite PDFs. | A-tier. The most interesting spreadsheet in years. Great for ops dashboards. |
| Link | Open → | Open → | Open → | Open → |