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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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TaglineAI search done right. Cited answers, not chat theater.Spreadsheets with AI + live integrations baked in.Terminal-based AI pair programmer. Git-aware, model-flexible.Vector + raster AI for designers. Actually controls the output.
CategoryResearchDataCodingImage
PricingFree + $20/mo ProFree + $19-$89/user/moFree (open source) + whatever API you useFree + $12-$48/mo
Best forReplacing Google for any question where you want a cited answer in seconds.Ops teams, marketers, anyone building dashboards from multiple sources.Developers who want open-source tooling with full control.Designers, brand teams, anyone needing vector output or tight style control.
Strengths
  • Sources every claim
  • Fast, current answers
  • Pro Search runs multi-step research
  • Spaces for persistent context
  • Pull live data from Stripe, Slack, Google Analytics, etc.
  • AI functions inside cells
  • Modern UX
  • Works in any terminal
  • Auto-commits changes with meaningful messages
  • Works with any model (Claude, GPT, local)
  • Minimal learning curve
  • Exports SVG vectors — rare in AI image gen
  • Strong style control + consistency
  • Brand kit for consistent outputs
Weaknesses
  • Not a general chatbot
  • Answers can be shallow on complex topics
  • Not a full Excel replacement for heavy users
  • Integrations best on paid tiers
  • Terminal-only
  • Less agentic than Claude Code
  • Setup on Windows is fiddly
  • Less hyped than Midjourney
  • Learning curve for non-designers
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 most interesting spreadsheet in years. Great for ops dashboards.A-tier. The right answer if you want open-source + terminal-native + model-agnostic.S-tier for designers. The only one that takes vectors seriously.
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