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)
Coding
Image
Productivity
Writing
Marketing
Lex A | Aider A | Descript S | |
|---|---|---|---|
| Tagline | Google Docs with an AI collaborator baked in. | Terminal-based AI pair programmer. Git-aware, model-flexible. | Edit video + podcasts by editing the transcript. |
| Category | Writing | Coding | Video |
| Pricing | Free + $12/mo | Free (open source) + whatever API you use | Free + $16-$50/mo |
| Best for | Essays, long-form drafts, thinking on the page. | Developers who want open-source tooling with full control. | Podcasters, course creators, anyone editing talking-head content. |
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| Kai's verdict | A-tier. Beautiful UX. The writing app I'd pick if I only wrote long-form. | A-tier. The right answer if you want open-source + terminal-native + model-agnostic. | S-tier for content creators. Cuts editing time in half. Non-obvious but life-changing. |
| Link | Open → | Open → | Open → |