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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
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A
Runway
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Hex
A
TaglineAI search done right. Cited answers, not chat theater.Build a full app from a prompt. Stripe-ready.The pro's AI video tool. Gen-4 is the current bar.Modern data notebook with Magic AI assistant.
CategoryResearchDesignVideoData
PricingFree + $20/mo ProFree + $25-$100/moFree + $15-$95/moFree + $28+/user/mo
Best forReplacing Google for any question where you want a cited answer in seconds.Non-devs + solopreneurs shipping MVPs.Marketing video, pitch decks, b-roll, creative shorts.Data teams at startups + enterprises.
Strengths
  • Sources every claim
  • Fast, current answers
  • Pro Search runs multi-step research
  • Spaces for persistent context
  • Generates full apps + DB + auth
  • Good for non-developers
  • Ships faster than hand-coding
  • Most mature video workflow
  • Character consistency via Act-One
  • Gen-4 quality is production-grade
  • 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
  • Complexity ceiling
  • Can generate brittle code
  • Expensive at scale
  • Still needs post-editing
  • 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.A-tier. The strongest 'no-code' AI builder right now. Great for founder MVPs.S-tier. Market leader with reason. Start here for serious video.A-tier for data teams. S-tier if you already live in SQL + Python.
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