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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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Claude Code
S
Khanmigo
S
Devin
A
ChatGPT Operator
B
TaglineAnthropic's CLI agent. Opus-powered, operates on your repo directly.Khan Academy's AI tutor. Socratic method, built for learning.Cognition Labs' autonomous coding engineer.OpenAI's browser agent. Clicks and types on websites for you.
CategoryCodingEducationAgentsAgents
PricingPart of Claude Pro/Max/Team plans$4/mo (free for teachers)$500/moIncluded with ChatGPT Pro $200/mo
Best forDevelopers who want an agent, not autocomplete. Large refactors, tests, docs.Students K-12. Parents helping with homework. Teachers prepping lessons.Engineering teams offloading tickets. Ops/platform work.Power users willing to pay $200/mo for a browser bot.
Strengths
  • Runs locally, edits your actual files
  • Strong on large codebases with 1M context
  • Great at multi-step tasks
  • Socratic — doesn't give answers, asks questions
  • Trusted by schools + parents
  • Integrated with Khan Academy curriculum
  • Works like an engineer — takes Slack tasks, opens PRs
  • Handles multi-hour engineering work
  • Reports back with what it did
  • Actually uses websites — fills forms, clicks, checks out
  • Built into ChatGPT
  • Good for repetitive web tasks
Weaknesses
  • Terminal-based — learning curve
  • Can't be used without Claude subscription
  • K-12 focus (not deep for adults)
  • Slower than general chatbots
  • Expensive
  • Best for well-scoped tasks
  • Not for solo hobbyists
  • Slow vs doing it yourself
  • Breaks on complex auth flows
  • $200/mo gate
Kai's verdictS-tier if you live in the terminal. Different shape than Cursor — complementary, not replacement.S-tier for kids learning. The tutoring UX is legit — not a generic chatbot dressed up.A-tier for the right use case. Not for solo devs. If you manage engineers, try one license.B-tier. Still early. Manus is more flexible for less money.
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