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 (4 selected)
Dev Platform
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GitHub Copilot B | DeepSeek S | NeuralSet A | Fathom S | |
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| Tagline | Microsoft/GitHub's autocomplete. Deep VS Code + JetBrains integration. | Chinese open-weight powerhouse. Crazy cheap, genuinely smart. | Meta FAIR's open-source Python library that finally bridges the gap between neuroimaging data (fMRI, EEG, spikes) and modern deep learning pipelines. | Meeting notes, free forever for individuals. |
| Category | Coding | Chatbots | Research | Meetings |
| Pricing | Free (limited) + $10/mo Pro + $19/mo Business | Free web + ultra-cheap API (~$0.14/M input tokens) | Free (MIT open source) | Free for individuals + $15-$29/user/mo teams |
| Best for | Teams with GitHub already. Devs who don't want to change IDEs. | Developers + cost-conscious builders. Anyone fine with self-hosting. | Computational neuroscience researchers who want to train deep learning models on brain recordings without building custom data pipelines from scratch. | Solo operators, freelancers, small teams on a budget. |
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| Kai's verdict | B-tier. Solid for autocomplete but the category moved past it. Pick Cursor unless you can't. | S-tier for price/performance. A-tier for consumer use. If you build apps, this is the budget pick. | 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 for solo + free. The best free option, hands down. |
| Link | Open → | Open → | Open → | Open → |