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Hex
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Lex
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TaglineModern data notebook with Magic AI assistant.The fastest AI inference in the world. Crazy low latency.AI search done right. Cited answers, not chat theater.Google Docs with an AI collaborator baked in.
CategoryDataDev PlatformResearchWriting
PricingFree + $28+/user/moFree tier + pay-as-you-go APIFree + $20/mo ProFree + $12/mo
Best forData teams at startups + enterprises.Developers who need sub-100ms LLM responses.Replacing Google for any question where you want a cited answer in seconds.Essays, long-form drafts, thinking on the page.
Strengths
  • SQL + Python + no-code in one notebook
  • Magic AI writes queries + viz for you
  • Team-grade collaboration
  • 500+ tokens/sec on Llama/Mixtral — feels instant
  • Custom LPU hardware
  • Great free tier
  • Sources every claim
  • Fast, current answers
  • Pro Search runs multi-step research
  • Spaces for persistent context
  • Clean writing UX — distraction-free
  • +++ prompt triggers AI help
  • Collaboration + AI feedback together
Weaknesses
  • Overkill for casual users
  • Enterprise pricing
  • Open-weight models only (no Claude/GPT)
  • Less flexibility on custom configs
  • Not a general chatbot
  • Answers can be shallow on complex topics
  • Less feature-rich than Google Docs
  • AI ceiling below dedicated tools
Kai's verdictA-tier for data teams. S-tier if you already live in SQL + Python.S-tier for speed. When latency is the product, start here.S-tier for search. I use it before Google now. If you're still Googling everything, try this for a week.A-tier. Beautiful UX. The writing app I'd pick if I only wrote long-form.
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