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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Dev Platform
Coding
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Productivity
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Marketing
Cursor S | Cursor TypeScript SDK A | Fathom S | NeuralSet A | |
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| Tagline | VS Code fork that made AI coding actually work. | Wire Cursor's full coding-agent runtime into your own apps, scripts, and CI/CD pipelines with a few lines of TypeScript. | Meeting notes, free forever for individuals. | Meta FAIR's open-source Python library that finally bridges the gap between neuroimaging data (fMRI, EEG, spikes) and modern deep learning pipelines. |
| Category | Coding | Dev Platform | Meetings | Research |
| Pricing | Free + $20/mo Pro + $40/mo Business | Token-based; requires Cursor plan (Pro from $20/mo). Composer 2 at $0.50/$2.50 per M tokens (in/out); fast variant $1.50/$7.50 per M tokens. | Free for individuals + $15-$29/user/mo teams | Free (MIT open source) |
| Best for | Developers. Non-developers who want to ship working code. | Engineering teams who already use Cursor and want to embed its coding-agent runtime into CI/CD pipelines, backend services, or internal developer tools without building agent infrastructure from scratch. | Solo operators, freelancers, small teams on a budget. | 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 | S-tier for coding. If you write code of any kind, this pays back the $20 in a day. | If your team is already in the Cursor ecosystem, this is a genuinely compelling way to turn ad-hoc AI coding sessions into durable, automated workflows — but the beta label and Cursor's history with opaque pricing mean you'll want to set hard budget guardrails before going to production. (Verdict pending Phi's full review.) | S-tier for solo + free. The best free option, hands down. | 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 → | Open → |