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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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Khanmigo
S
Claude
S
MagicSchool
S
TaglineKhan Academy's AI tutor. Socratic method, built for learning.Anthropic's flagship — best reasoning + longest useful context.AI platform built for teachers. Lesson plans + IEPs + admin.
Categoryeducationchateducation
Pricing$4/mo (free for teachers)Free + $20/mo Pro + team/enterpriseFree + $100/yr Plus + school plans
Best forStudents K-12. Parents helping with homework. Teachers prepping lessons.Long writing, code, careful thinking, documents over 50 pages.Teachers prepping materials. School districts.
Strengths
  • Socratic — doesn't give answers, asks questions
  • Trusted by schools + parents
  • Integrated with Khan Academy curriculum
  • Best-in-class writing + nuanced reasoning
  • 1M context on Opus
  • Artifacts for code/docs
  • Lowest hallucination rate in my testing
  • 60+ teacher-specific tools
  • Generous free tier
  • FERPA + COPPA compliant for schools
Weaknesses
  • K-12 focus (not deep for adults)
  • Slower than general chatbots
  • Image generation is weak
  • No native web search on all tiers
  • Teacher-only focus
  • Less useful for students
Kai's verdictS-tier for kids learning. The tutoring UX is legit — not a generic chatbot dressed up.S-tier for reasoning and writing. If you only pay for one chatbot, pay for this one — especially for long work.S-tier for teachers. If you teach K-12, start here this week.
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