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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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Devin
A
GitHub Copilot
B
Khanmigo
S
TaglineCognition Labs' autonomous coding engineer.Microsoft/GitHub's autocomplete. Deep VS Code + JetBrains integration.Khan Academy's AI tutor. Socratic method, built for learning.
Categoryagentscodingeducation
Pricing$500/moFree (limited) + $10/mo Pro + $19/mo Business$4/mo (free for teachers)
Best forEngineering teams offloading tickets. Ops/platform work.Teams with GitHub already. Devs who don't want to change IDEs.Students K-12. Parents helping with homework. Teachers prepping lessons.
Strengths
  • Works like an engineer — takes Slack tasks, opens PRs
  • Handles multi-hour engineering work
  • Reports back with what it did
  • Great enterprise story
  • Works in your existing IDE
  • Chat + autocomplete
  • Socratic — doesn't give answers, asks questions
  • Trusted by schools + parents
  • Integrated with Khan Academy curriculum
Weaknesses
  • Expensive
  • Best for well-scoped tasks
  • Not for solo hobbyists
  • Less agentic than Cursor/Claude Code
  • Model quality varies
  • K-12 focus (not deep for adults)
  • Slower than general chatbots
Kai's verdictA-tier for the right use case. Not for solo devs. If you manage engineers, try one license.B-tier. Solid for autocomplete but the category moved past it. Pick Cursor unless you can't.S-tier for kids learning. The tutoring UX is legit — not a generic chatbot dressed up.
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