KaiAI tutor for anyone

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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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Chatbots
Research
Coding
Image
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Agents
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Rows
A
Groq
S
Perplexity
S
Lex
A
TaglineSpreadsheets with AI + live integrations baked in.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 + $19-$89/user/moFree tier + pay-as-you-go APIFree + $20/mo ProFree + $12/mo
Best forOps teams, marketers, anyone building dashboards from multiple sources.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
  • Pull live data from Stripe, Slack, Google Analytics, etc.
  • AI functions inside cells
  • Modern UX
  • 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
  • Not a full Excel replacement for heavy users
  • Integrations best on paid tiers
  • 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. The most interesting spreadsheet in years. Great for ops dashboards.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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