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)
Coding
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Productivity
Writing
Marketing
Aider A | GitHub Copilot B | Fathom S | Granola S | |
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| Tagline | Terminal-based AI pair programmer. Git-aware, model-flexible. | Microsoft/GitHub's autocomplete. Deep VS Code + JetBrains integration. | Meeting notes, free forever for individuals. | Meeting notes that don't suck. Runs locally, no bot joins. |
| Category | Coding | Coding | Meetings | Meetings |
| Pricing | Free (open source) + whatever API you use | Free (limited) + $10/mo Pro + $19/mo Business | Free for individuals + $15-$29/user/mo teams | Free + $18/mo |
| Best for | Developers who want open-source tooling with full control. | Teams with GitHub already. Devs who don't want to change IDEs. | Solo operators, freelancers, small teams on a budget. | Founders, execs, consultants who live in calls. |
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| Kai's verdict | A-tier. The right answer if you want open-source + terminal-native + model-agnostic. | B-tier. Solid for autocomplete but the category moved past it. Pick Cursor unless you can't. | S-tier for solo + free. The best free option, hands down. | S-tier. Category-defining UX. If you take notes in meetings, switch this week. |
| Link | Open → | Open → | Open → | Open → |