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.
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Hex A | Duolingo Max A | |
|---|---|---|
| Tagline | Modern data notebook with Magic AI assistant. | Duolingo + AI. Explain My Answer + Roleplay features. |
| Category | Data | Education |
| Pricing | Free + $28+/user/mo | $30/mo (or ~$168/yr) |
| Best for | Data teams at startups + enterprises. | Language learners who've outgrown basic Duolingo. |
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| Kai's verdict | A-tier for data teams. S-tier if you already live in SQL + Python. | A-tier. If you already love Duolingo, worth it. If starting fresh, try ChatGPT Voice instead. |
| Link | Open → | Open → |