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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
Rows
A
Fireflies
A
OpenRouter
S
TaglineVercel's AI-powered UI generator. Prompt to shadcn component.Spreadsheets with AI + live integrations baked in.Sales-focused meeting AI with CRM integration.One API, every model. Pay-as-you-go, no subscriptions.
CategoryDesignDataMeetingsDev Platform
PricingFree + $20/moFree + $19-$89/user/moFree + $10-$19/user/moPay per token — model-dependent
Best forFrontend devs, PMs prototyping UIs, anyone on Next.js.Ops teams, marketers, anyone building dashboards from multiple sources.Sales teams, customer success, anyone running many discovery calls.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
  • Good CRM integrations (Salesforce, HubSpot)
  • Talk-time + sentiment analytics
  • Call scoring
  • 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
  • Bot-joins (intrusive)
  • Gets expensive at team scale
  • 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 sales teams. B-tier for solo users.S-tier for model-shopping. I use this for every prototype before committing.
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