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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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Cursor
S
MagicSchool
S
ChatGPT Operator
B
Devin
A
TaglineVS Code fork that made AI coding actually work.AI platform built for teachers. Lesson plans + IEPs + admin.OpenAI's browser agent. Clicks and types on websites for you.Cognition Labs' autonomous coding engineer.
CategoryCodingEducationAgentsAgents
PricingFree + $20/mo Pro + $40/mo BusinessFree + $100/yr Plus + school plansIncluded with ChatGPT Pro $200/mo$500/mo
Best forDevelopers. Non-developers who want to ship working code.Teachers prepping materials. School districts.Power users willing to pay $200/mo for a browser bot.Engineering teams offloading tickets. Ops/platform work.
Strengths
  • Tab completion feels like mind-reading
  • Composer for multi-file edits
  • Runs Claude, GPT, Gemini — you pick
  • 60+ teacher-specific tools
  • Generous free tier
  • FERPA + COPPA compliant for schools
  • Actually uses websites — fills forms, clicks, checks out
  • Built into ChatGPT
  • Good for repetitive web tasks
  • Works like an engineer — takes Slack tasks, opens PRs
  • Handles multi-hour engineering work
  • Reports back with what it did
Weaknesses
  • Can feel overwhelming for non-coders
  • Expensive at scale
  • Teacher-only focus
  • Less useful for students
  • Slow vs doing it yourself
  • Breaks on complex auth flows
  • $200/mo gate
  • Expensive
  • Best for well-scoped tasks
  • Not for solo hobbyists
Kai's verdictS-tier for coding. If you write code of any kind, this pays back the $20 in a day.S-tier for teachers. If you teach K-12, start here this week.B-tier. Still early. Manus is more flexible for less money.A-tier for the right use case. Not for solo devs. If you manage engineers, try one license.
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