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 | Grok A | Pika A | |
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| Tagline | Google Docs with an AI collaborator baked in. | Microsoft/GitHub's autocomplete. Deep VS Code + JetBrains integration. | xAI's chatbot. Real-time X/Twitter data + fewer refusals. | The playful, accessible AI video tool. |
| Category | Writing | Coding | Chatbots | Video |
| Pricing | Free + $12/mo | Free (limited) + $10/mo Pro + $19/mo Business | Free + $30/mo SuperGrok + included with X Premium | Free + $8-$58/mo |
| Best for | Essays, long-form drafts, thinking on the page. | Teams with GitHub already. Devs who don't want to change IDEs. | Breaking news, live event tracking, users already on X. | Social media creators, beginners, anyone wanting quick fun clips. |
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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 real-time. B-tier for everything else. Worth checking when news breaks. | A-tier for social/casual. B-tier for serious work. Good entry point. |
| Link | Open → | Open → | Open → | Open → |