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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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S
Khanmigo
S
Manus
S
Hex
A
TaglineAI search done right. Cited answers, not chat theater.Khan Academy's AI tutor. Socratic method, built for learning.Autonomous AI agent that actually finishes tasks.Modern data notebook with Magic AI assistant.
CategoryResearchEducationAgentsData
PricingFree + $20/mo Pro$4/mo (free for teachers)Free tier + $39-$199/moFree + $28+/user/mo
Best forReplacing Google for any question where you want a cited answer in seconds.Students K-12. Parents helping with homework. Teachers prepping lessons.People who want to hand off tasks entirely — trip planning, research, spreadsheet building.Data teams at startups + enterprises.
Strengths
  • Sources every claim
  • Fast, current answers
  • Pro Search runs multi-step research
  • Spaces for persistent context
  • Socratic — doesn't give answers, asks questions
  • Trusted by schools + parents
  • Integrated with Khan Academy curriculum
  • General-purpose agent — research, book, build, analyze
  • Parallel task execution
  • Web browsing + file creation + coding
  • SQL + Python + no-code in one notebook
  • Magic AI writes queries + viz for you
  • Team-grade collaboration
Weaknesses
  • Not a general chatbot
  • Answers can be shallow on complex topics
  • K-12 focus (not deep for adults)
  • Slower than general chatbots
  • Still hit-or-miss on complex multi-hour tasks
  • Can burn credits fast
  • Overkill for casual users
  • Enterprise pricing
Kai's verdictS-tier for search. I use it before Google now. If you're still Googling everything, try this for a week.S-tier for kids learning. The tutoring UX is legit — not a generic chatbot dressed up.S-tier in the agent category. The first one I'd give to a non-technical friend.A-tier for data teams. S-tier if you already live in SQL + Python.
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