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
Image
Productivity
Writing
Marketing
Lex A | GitHub Copilot B | Copy.ai A | Luma Dream Machine A | |
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| Tagline | Google Docs with an AI collaborator baked in. | Microsoft/GitHub's autocomplete. Deep VS Code + JetBrains integration. | AI GTM platform. Workflows for sales + marketing ops. | Smooth, cinematic motion. Image-to-video specialist. |
| Category | Writing | Coding | Marketing | Video |
| Pricing | Free + $12/mo | Free (limited) + $10/mo Pro + $19/mo Business | Free + $49-$249/mo | Free + $10-$500/mo |
| Best for | Essays, long-form drafts, thinking on the page. | Teams with GitHub already. Devs who don't want to change IDEs. | RevOps + marketing ops automating repetitive tasks. | Photographers animating stills, cinematic b-roll. |
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| Kai's verdict | A-tier. Beautiful UX. The writing app I'd pick if I only wrote long-form. | B-tier. Solid for autocomplete but the category moved past it. Pick Cursor unless you can't. | A-tier for ops automation. B-tier for simple copy (use Claude). | A-tier. Best for cinematic image-to-video. Pair with Runway for coverage. |
| Link | Open → | Open → | Open → | Open → |