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
Windsurf A | Devin A | Khanmigo S | |
|---|---|---|---|
| Tagline | Codeium's agentic IDE. Cascade agent + strong free tier. | Cognition Labs' autonomous coding engineer. | Khan Academy's AI tutor. Socratic method, built for learning. |
| Category | coding | agents | education |
| Pricing | Free + $15/mo Pro | $500/mo | $4/mo (free for teachers) |
| Best for | Developers who want Cursor-like power for less money. | Engineering teams offloading tickets. Ops/platform work. | 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. | A-tier for the right use case. Not for solo devs. If you manage engineers, try one license. | S-tier for kids learning. The tutoring UX is legit — not a generic chatbot dressed up. |
| Link | Open → | Open → | Open → |