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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Claude Code S | Skye A | Hex A | Julius S | |
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| Tagline | Anthropic's CLI agent. Opus-powered, operates on your repo directly. | An agentic iPhone home screen that replaces your static icon grid with AI widgets that proactively surface health, calendar, finance, and local context — without you having to open a single app. | Modern data notebook with Magic AI assistant. | Chat with your data. Upload a CSV, ask questions, get charts. |
| Category | Coding | Agents | Data | Data |
| Pricing | Part of Claude Pro/Max/Team plans | Waitlist / Beta (pricing not yet disclosed) | Free + $28+/user/mo | Free + $20-$65/mo |
| Best for | Developers who want an agent, not autocomplete. Large refactors, tests, docs. | iPhone power users who are frustrated that Siri is still reactive and want their home screen to actually anticipate their day. | Data teams at startups + enterprises. | Analysts, founders, anyone with a spreadsheet + a question. |
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| Kai's verdict | S-tier if you live in the terminal. Different shape than Cursor — complementary, not replacement. | The concept is genuinely compelling — turning the home screen into a living AI layer is a smarter bet than yet another chat interface — but this is vaporware until it ships publicly and we see whether Apple's sandbox lets it breathe. (Verdict pending Phi's full review.) | A-tier for data teams. S-tier if you already live in SQL + Python. | S-tier for ad-hoc analysis. Makes you feel like a data scientist in 30 seconds. |
| Link | Open → | Open → | Open → | Open → |