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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Skye A | NeuralSet A | Claude Code S | Replicate 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. | Meta FAIR's open-source Python library that finally bridges the gap between neuroimaging data (fMRI, EEG, spikes) and modern deep learning pipelines. | Anthropic's CLI agent. Opus-powered, operates on your repo directly. | Run any open-source AI model with an API call. |
| Category | Agents | Research | Coding | Dev Platform |
| Pricing | Waitlist / Beta (pricing not yet disclosed) | Free (MIT open source) | Part of Claude Pro/Max/Team plans | Pay per second of compute |
| Best for | iPhone power users who are frustrated that Siri is still reactive and want their home screen to actually anticipate their day. | Computational neuroscience researchers who want to train deep learning models on brain recordings without building custom data pipelines from scratch. | Developers who want an agent, not autocomplete. Large refactors, tests, docs. | Developers using open-source models (Flux, SDXL, Whisper, etc). |
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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.) | If you're doing neuro-AI research, this is the plumbing you've been manually building for years — finally done right by the team that actually runs these experiments at scale. Extremely narrow use case, but within that lane it looks genuinely best-in-class. (Verdict pending Phi's full review.) | S-tier if you live in the terminal. Different shape than Cursor — complementary, not replacement. | S-tier for open-source model APIs. The default in this space. |
| Link | Open → | Open → | Open → | Open → |