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.
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Coding
Image
Productivity
Writing
Marketing
Windsurf A | GitHub Copilot B | Sora A | Khanmigo S | |
|---|---|---|---|---|
| Tagline | Codeium's agentic IDE. Cascade agent + strong free tier. | Microsoft/GitHub's autocomplete. Deep VS Code + JetBrains integration. | OpenAI's video model. Long clips, cinematic quality. | Khan Academy's AI tutor. Socratic method, built for learning. |
| Category | Coding | Coding | Video | Education |
| Pricing | Free + $15/mo Pro | Free (limited) + $10/mo Pro + $19/mo Business | Included with ChatGPT Plus/Pro | $4/mo (free for teachers) |
| Best for | Developers who want Cursor-like power for less money. | Teams with GitHub already. Devs who don't want to change IDEs. | ChatGPT subscribers experimenting with cinematic shots. | Students K-12. Parents helping with homework. Teachers prepping lessons. |
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| Kai's verdict | A-tier. Close second to Cursor. If $5/mo matters, start here. | B-tier. Solid for autocomplete but the category moved past it. Pick Cursor unless you can't. | A-tier. Amazing when it works, frustrating when it doesn't. Runway still more reliable for pros. | S-tier for kids learning. The tutoring UX is legit — not a generic chatbot dressed up. |
| Link | Open → | Open → | Open → | Open → |