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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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Dev Platform
Audio
Research
Agents
Coding
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Image
Video
Voice
Meetings
Design
Productivity
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Data
Marketing
Education
Perplexity
S
Khanmigo
S
DALL-E 3
B
Hex
A
TaglineAI search done right. Cited answers, not chat theater.Khan Academy's AI tutor. Socratic method, built for learning.OpenAI's image model. Built into ChatGPT Plus.Modern data notebook with Magic AI assistant.
CategoryResearchEducationImageData
PricingFree + $20/mo Pro$4/mo (free for teachers)Included with ChatGPT Plus $20/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.ChatGPT Plus users who want images without paying extra.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
  • Excellent prompt understanding
  • Built into ChatGPT — no extra subscription
  • Good at composition + concepts
  • 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
  • Aesthetic ceiling below Midjourney + Ideogram
  • Text rendering worse than Ideogram
  • No fine control
  • 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.B-tier standalone, A-tier value if you already pay ChatGPT. Don't pay for it separately.A-tier for data teams. S-tier if you already live in SQL + Python.
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