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.
Pick tools (3 selected)
Dev Platform
Coding
Image
Productivity
Writing
Marketing
Lex A | Claude Code S | NeuralSet A | |
|---|---|---|---|
| Tagline | Google Docs with an AI collaborator baked in. | Anthropic's CLI agent. Opus-powered, operates on your repo directly. | Meta FAIR's open-source Python library that finally bridges the gap between neuroimaging data (fMRI, EEG, spikes) and modern deep learning pipelines. |
| Category | Writing | Coding | Research |
| Pricing | Free + $12/mo | Part of Claude Pro/Max/Team plans | Free (MIT open source) |
| Best for | Essays, long-form drafts, thinking on the page. | Developers who want an agent, not autocomplete. Large refactors, tests, docs. | Computational neuroscience researchers who want to train deep learning models on brain recordings without building custom data pipelines from scratch. |
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| Kai's verdict | A-tier. Beautiful UX. The writing app I'd pick if I only wrote long-form. | S-tier if you live in the terminal. Different shape than Cursor — complementary, not replacement. | 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.) |
| Link | Open → | Open → | Open → |