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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
Audio
Research
Agents
Coding
Chatbots
Image
Video
Voice
Meetings
Design
Productivity
Writing
Data
Marketing
Education
Fireflies
A
Rows
A
v0
S
OpenRouter
S
TaglineSales-focused meeting AI with CRM integration.Spreadsheets with AI + live integrations baked in.Vercel's AI-powered UI generator. Prompt to shadcn component.One API, every model. Pay-as-you-go, no subscriptions.
CategoryMeetingsDataDesignDev Platform
PricingFree + $10-$19/user/moFree + $19-$89/user/moFree + $20/moPay per token — model-dependent
Best forSales teams, customer success, anyone running many discovery calls.Ops teams, marketers, anyone building dashboards from multiple sources.Frontend devs, PMs prototyping UIs, anyone on Next.js.Developers experimenting across models. Apps that want fallback logic.
Strengths
  • Good CRM integrations (Salesforce, HubSpot)
  • Talk-time + sentiment analytics
  • Call scoring
  • 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
  • 300+ models from one endpoint
  • Automatic fallbacks between providers
  • No subscription — just pay what you use
Weaknesses
  • Bot-joins (intrusive)
  • Gets expensive at team scale
  • Not a full Excel replacement for heavy users
  • Integrations best on paid tiers
  • Best for shadcn stack
  • Iterating can be fiddly
  • Slight markup over direct API
  • Some provider features not exposed
Kai's verdictA-tier for sales teams. B-tier for solo users.A-tier. The most interesting spreadsheet in years. Great for ops dashboards.S-tier. If you're on Vercel/shadcn, this is cheating.S-tier for model-shopping. I use this for every prototype before committing.
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