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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
Fireflies
A
OpenRouter
S
Rows
A
TaglineVercel's AI-powered UI generator. Prompt to shadcn component.Sales-focused meeting AI with CRM integration.One API, every model. Pay-as-you-go, no subscriptions.Spreadsheets with AI + live integrations baked in.
CategoryDesignMeetingsDev PlatformData
PricingFree + $20/moFree + $10-$19/user/moPay per token — model-dependentFree + $19-$89/user/mo
Best forFrontend devs, PMs prototyping UIs, anyone on Next.js.Sales teams, customer success, anyone running many discovery calls.Developers experimenting across models. Apps that want fallback logic.Ops teams, marketers, anyone building dashboards from multiple sources.
Strengths
  • Ships working React + Tailwind code
  • Shadcn/ui native
  • One-click deploy to Vercel
  • 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
  • Pull live data from Stripe, Slack, Google Analytics, etc.
  • AI functions inside cells
  • Modern UX
Weaknesses
  • Best for shadcn stack
  • Iterating can be fiddly
  • Bot-joins (intrusive)
  • Gets expensive at team scale
  • Slight markup over direct API
  • Some provider features not exposed
  • Not a full Excel replacement for heavy users
  • Integrations best on paid tiers
Kai's verdictS-tier. If you're on Vercel/shadcn, this is cheating.A-tier for sales teams. B-tier for solo users.S-tier for model-shopping. I use this for every prototype before committing.A-tier. The most interesting spreadsheet in years. Great for ops dashboards.
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