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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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Hex
A
Runway
S
Claude Agent SDK
S
Perplexity
S
TaglineModern data notebook with Magic AI assistant.The pro's AI video tool. Gen-4 is the current bar.Anthropic's SDK for building your own agents on Claude.AI search done right. Cited answers, not chat theater.
CategoryDataVideoAgentsResearch
PricingFree + $28+/user/moFree + $15-$95/moAPI usage + SDK is freeFree + $20/mo Pro
Best forData teams at startups + enterprises.Marketing video, pitch decks, b-roll, creative shorts.Developers building custom agents for their own company/product.Replacing Google for any question where you want a cited answer in seconds.
Strengths
  • SQL + Python + no-code in one notebook
  • Magic AI writes queries + viz for you
  • Team-grade collaboration
  • Most mature video workflow
  • Character consistency via Act-One
  • Gen-4 quality is production-grade
  • Production-grade agent primitives
  • Built on Claude (best reasoning)
  • Full control — build exactly what you need
  • Sources every claim
  • Fast, current answers
  • Pro Search runs multi-step research
  • Spaces for persistent context
Weaknesses
  • Overkill for casual users
  • Enterprise pricing
  • Expensive at scale
  • Still needs post-editing
  • Developer-only
  • You build the UI
  • Not a general chatbot
  • Answers can be shallow on complex topics
Kai's verdictA-tier for data teams. S-tier if you already live in SQL + Python.S-tier. Market leader with reason. Start here for serious video.S-tier for builders. The right primitives. What Kai is built on under the hood.S-tier for search. I use it before Google now. If you're still Googling everything, try this for a week.
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