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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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Skye A | Hugging Face S | Windsurf A | HeyGen S | |
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| Tagline | 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. | The GitHub of AI. Models, datasets, spaces — all in one. | Codeium's agentic IDE. Cascade agent + strong free tier. | AI avatar videos. Record once, speak any language. |
| Category | Agents | Dev Platform | Coding | Video |
| Pricing | Waitlist / Beta (pricing not yet disclosed) | Free + $9-$20/mo + enterprise | Free + $15/mo Pro | Free + $24-$65/mo |
| Best for | iPhone power users who are frustrated that Siri is still reactive and want their home screen to actually anticipate their day. | Any ML/AI developer. Hobbyists exploring open models. | Developers who want Cursor-like power for less money. | Course creators, multilingual marketers, anyone scaling video content. |
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| Kai's verdict | 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 infrastructure. The one platform every AI dev eventually uses. | A-tier. Close second to Cursor. If $5/mo matters, start here. | S-tier for multilingual video. If you sell courses or speak at events, this is a cheat code. |
| Link | Open → | Open → | Open → | Open → |