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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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Dev Platform
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OpenRouter
S
Google Veo
A
Rows
A
v0
S
TaglineOne API, every model. Pay-as-you-go, no subscriptions.Google's video model. Baked into Gemini + YouTube Shorts.Spreadsheets with AI + live integrations baked in.Vercel's AI-powered UI generator. Prompt to shadcn component.
CategoryDev PlatformVideoDataDesign
PricingPay per token — model-dependentIncluded with Gemini Advanced $20/mo + YouTube creator toolsFree + $19-$89/user/moFree + $20/mo
Best forDevelopers experimenting across models. Apps that want fallback logic.Gemini Advanced users, YouTube Shorts creators.Ops teams, marketers, anyone building dashboards from multiple sources.Frontend devs, PMs prototyping UIs, anyone on Next.js.
Strengths
  • 300+ models from one endpoint
  • Automatic fallbacks between providers
  • No subscription — just pay what you use
  • 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
  • Ships working React + Tailwind code
  • Shadcn/ui native
  • One-click deploy to Vercel
Weaknesses
  • Slight markup over direct API
  • Some provider features not exposed
  • 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
  • Best for shadcn stack
  • Iterating can be fiddly
Kai's verdictS-tier for model-shopping. I use this for every prototype before committing.A-tier if you already pay Gemini. B-tier standalone.A-tier. The most interesting spreadsheet in years. Great for ops dashboards.S-tier. If you're on Vercel/shadcn, this is cheating.
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