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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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Replicate S | Skye A | Fathom S | Hex A | |
|---|---|---|---|---|
| Tagline | Run any open-source AI model with an API call. | 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. | Meeting notes, free forever for individuals. | Modern data notebook with Magic AI assistant. |
| Category | Dev Platform | Agents | Meetings | Data |
| Pricing | Pay per second of compute | Waitlist / Beta (pricing not yet disclosed) | Free for individuals + $15-$29/user/mo teams | Free + $28+/user/mo |
| Best for | Developers using open-source models (Flux, SDXL, Whisper, etc). | iPhone power users who are frustrated that Siri is still reactive and want their home screen to actually anticipate their day. | Solo operators, freelancers, small teams on a budget. | Data teams at startups + enterprises. |
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| Kai's verdict | S-tier for open-source model APIs. The default in this space. | 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.) | S-tier for solo + free. The best free option, hands down. | A-tier for data teams. S-tier if you already live in SQL + Python. |
| Link | Open → | Open → | Open → | Open → |