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