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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
Perplexity
S
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.AI search done right. Cited answers, not chat theater.
CategoryDesignMeetingsDev PlatformResearch
PricingFree + $20/moFree + $10-$19/user/moPay per token — model-dependentFree + $20/mo Pro
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.Replacing Google for any question where you want a cited answer in seconds.
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
  • Sources every claim
  • Fast, current answers
  • Pro Search runs multi-step research
  • Spaces for persistent context
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 general chatbot
  • Answers can be shallow on complex topics
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.S-tier for search. I use it before Google now. If you're still Googling everything, try this for a week.
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