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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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v0
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Hume AI
A
TaglineSpreadsheets with AI + live integrations baked in.Vercel's AI-powered UI generator. Prompt to shadcn component.Vector + raster AI for designers. Actually controls the output.Voice AI that reads + expresses emotion.
CategoryDataDesignImageVoice
PricingFree + $19-$89/user/moFree + $20/moFree + $12-$48/moFree tier + pay-as-you-go
Best forOps teams, marketers, anyone building dashboards from multiple sources.Frontend devs, PMs prototyping UIs, anyone on Next.js.Designers, brand teams, anyone needing vector output or tight style control.Therapy apps, customer service, any voice agent where emotion matters.
Strengths
  • Pull live data from Stripe, Slack, Google Analytics, etc.
  • AI functions inside cells
  • Modern UX
  • Ships working React + Tailwind code
  • Shadcn/ui native
  • One-click deploy to Vercel
  • Exports SVG vectors — rare in AI image gen
  • Strong style control + consistency
  • Brand kit for consistent outputs
  • Detects + mirrors emotional tone
  • EVI (Empathic Voice Interface) feels different
  • Expressive voice output
Weaknesses
  • Not a full Excel replacement for heavy users
  • Integrations best on paid tiers
  • Best for shadcn stack
  • Iterating can be fiddly
  • Less hyped than Midjourney
  • Learning curve for non-designers
  • Niche use case
  • Pricing ramps fast
Kai's verdictA-tier. The most interesting spreadsheet in years. Great for ops dashboards.S-tier. If you're on Vercel/shadcn, this is cheating.S-tier for designers. The only one that takes vectors seriously.A-tier in its niche. The only one that actually gets emotion right.
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