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 | HeyGen S | Cursor S | Jasper B | |
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| Tagline | Google Docs with an AI collaborator baked in. | AI avatar videos. Record once, speak any language. | VS Code fork that made AI coding actually work. | Marketing-first AI writing. Brand voice + campaign tools. |
| Category | Writing | Video | Coding | Marketing |
| Pricing | Free + $12/mo | Free + $24-$65/mo | Free + $20/mo Pro + $40/mo Business | $49-$129/mo |
| Best for | Essays, long-form drafts, thinking on the page. | Course creators, multilingual marketers, anyone scaling video content. | Developers. Non-developers who want to ship working code. | Marketing teams that need brand-consistent output at scale. |
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| Kai's verdict | A-tier. Beautiful UX. The writing app I'd pick if I only wrote long-form. | S-tier for multilingual video. If you sell courses or speak at events, this is a cheat code. | S-tier for coding. If you write code of any kind, this pays back the $20 in a day. | B-tier for individuals — Claude does this for less. A-tier for teams needing brand consistency. |
| Link | Open → | Open → | Open → | Open → |