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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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MagicSchool
S
Aider
A
Claude Code
S
TaglineAI platform built for teachers. Lesson plans + IEPs + admin.Terminal-based AI pair programmer. Git-aware, model-flexible.Anthropic's CLI agent. Opus-powered, operates on your repo directly.
CategoryEducationCodingCoding
PricingFree + $100/yr Plus + school plansFree (open source) + whatever API you usePart of Claude Pro/Max/Team plans
Best forTeachers prepping materials. School districts.Developers who want open-source tooling with full control.Developers who want an agent, not autocomplete. Large refactors, tests, docs.
Strengths
  • 60+ teacher-specific tools
  • Generous free tier
  • FERPA + COPPA compliant for schools
  • Works in any terminal
  • Auto-commits changes with meaningful messages
  • Works with any model (Claude, GPT, local)
  • Minimal learning curve
  • Runs locally, edits your actual files
  • Strong on large codebases with 1M context
  • Great at multi-step tasks
Weaknesses
  • Teacher-only focus
  • Less useful for students
  • Terminal-only
  • Less agentic than Claude Code
  • Setup on Windows is fiddly
  • Terminal-based — learning curve
  • Can't be used without Claude subscription
Kai's verdictS-tier for teachers. If you teach K-12, start here this week.A-tier. The right answer if you want open-source + terminal-native + model-agnostic.S-tier if you live in the terminal. Different shape than Cursor — complementary, not replacement.
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