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v0
S
Rows
A
Framer
A
OpenRouter
S
TaglineVercel's AI-powered UI generator. Prompt to shadcn component.Spreadsheets with AI + live integrations baked in.Design + publish sites with AI assists built in.One API, every model. Pay-as-you-go, no subscriptions.
CategoryDesignDataDesignDev Platform
PricingFree + $20/moFree + $19-$89/user/moFree + $5-$30/moPay per token — model-dependent
Best forFrontend devs, PMs prototyping UIs, anyone on Next.js.Ops teams, marketers, anyone building dashboards from multiple sources.Designers shipping marketing sites without engineers.Developers experimenting across models. Apps that want fallback logic.
Strengths
  • Ships working React + Tailwind code
  • Shadcn/ui native
  • One-click deploy to Vercel
  • Pull live data from Stripe, Slack, Google Analytics, etc.
  • AI functions inside cells
  • Modern UX
  • AI generates sections + copy + layouts
  • Designer-first publishing (not just templates)
  • Great animations
  • 300+ models from one endpoint
  • Automatic fallbacks between providers
  • No subscription — just pay what you use
Weaknesses
  • Best for shadcn stack
  • Iterating can be fiddly
  • Not a full Excel replacement for heavy users
  • Integrations best on paid tiers
  • Less flexible than raw code
  • Pricing per-site adds up
  • Slight markup over direct API
  • Some provider features not exposed
Kai's verdictS-tier. If you're on Vercel/shadcn, this is cheating.A-tier. The most interesting spreadsheet in years. Great for ops dashboards.A-tier for designer-led sites. S-tier if animations matter.S-tier for model-shopping. I use this for every prototype before committing.
LinkOpen →Open →Open →Open →