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
Windsurf A | Hex A | Rows A | Reflect A | |
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| Tagline | Codeium's agentic IDE. Cascade agent + strong free tier. | Modern data notebook with Magic AI assistant. | Spreadsheets with AI + live integrations baked in. | AI-powered networked notes. Roam with a brain. |
| Category | Coding | Data | Data | Productivity |
| Pricing | Free + $15/mo Pro | Free + $28+/user/mo | Free + $19-$89/user/mo | $10/mo |
| Best for | Developers who want Cursor-like power for less money. | Data teams at startups + enterprises. | Ops teams, marketers, anyone building dashboards from multiple sources. | Knowledge workers + thinkers who want AI in their second brain. |
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| Kai's verdict | A-tier. Close second to Cursor. If $5/mo matters, start here. | A-tier for data teams. S-tier if you already live in SQL + Python. | A-tier. The most interesting spreadsheet in years. Great for ops dashboards. | A-tier. Niche but beloved. If you've outgrown Notion, try this. |
| Link | Open → | Open → | Open → | Open → |