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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
S
Google Veo
A
Rows
A
Hume AI
A
TaglineVercel's AI-powered UI generator. Prompt to shadcn component.Google's video model. Baked into Gemini + YouTube Shorts.Spreadsheets with AI + live integrations baked in.Voice AI that reads + expresses emotion.
CategoryDesignVideoDataVoice
PricingFree + $20/moIncluded with Gemini Advanced $20/mo + YouTube creator toolsFree + $19-$89/user/moFree tier + pay-as-you-go
Best forFrontend devs, PMs prototyping UIs, anyone on Next.js.Gemini Advanced users, YouTube Shorts creators.Ops teams, marketers, anyone building dashboards from multiple sources.Therapy apps, customer service, any voice agent where emotion matters.
Strengths
  • Ships working React + Tailwind code
  • Shadcn/ui native
  • One-click deploy to Vercel
  • Included with Gemini Advanced
  • YouTube Shorts native integration
  • Strong prompt understanding
  • Pull live data from Stripe, Slack, Google Analytics, etc.
  • AI functions inside cells
  • Modern UX
  • Detects + mirrors emotional tone
  • EVI (Empathic Voice Interface) feels different
  • Expressive voice output
Weaknesses
  • Best for shadcn stack
  • Iterating can be fiddly
  • Still catching up on quality vs Kling/Runway
  • Less control than pros need
  • Not a full Excel replacement for heavy users
  • Integrations best on paid tiers
  • Niche use case
  • Pricing ramps fast
Kai's verdictS-tier. If you're on Vercel/shadcn, this is cheating.A-tier if you already pay Gemini. B-tier standalone.A-tier. The most interesting spreadsheet in years. Great for ops dashboards.A-tier in its niche. The only one that actually gets emotion right.
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