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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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OpenRouter
S
v0
S
Fireflies
A
Perplexity
S
TaglineOne API, every model. Pay-as-you-go, no subscriptions.Vercel's AI-powered UI generator. Prompt to shadcn component.Sales-focused meeting AI with CRM integration.AI search done right. Cited answers, not chat theater.
CategoryDev PlatformDesignMeetingsResearch
PricingPay per token — model-dependentFree + $20/moFree + $10-$19/user/moFree + $20/mo Pro
Best forDevelopers experimenting across models. Apps that want fallback logic.Frontend devs, PMs prototyping UIs, anyone on Next.js.Sales teams, customer success, anyone running many discovery calls.Replacing Google for any question where you want a cited answer in seconds.
Strengths
  • 300+ models from one endpoint
  • Automatic fallbacks between providers
  • No subscription — just pay what you use
  • Ships working React + Tailwind code
  • Shadcn/ui native
  • One-click deploy to Vercel
  • Good CRM integrations (Salesforce, HubSpot)
  • Talk-time + sentiment analytics
  • Call scoring
  • Sources every claim
  • Fast, current answers
  • Pro Search runs multi-step research
  • Spaces for persistent context
Weaknesses
  • Slight markup over direct API
  • Some provider features not exposed
  • Best for shadcn stack
  • Iterating can be fiddly
  • Bot-joins (intrusive)
  • Gets expensive at team scale
  • Not a general chatbot
  • Answers can be shallow on complex topics
Kai's verdictS-tier for model-shopping. I use this for every prototype before committing.S-tier. If you're on Vercel/shadcn, this is cheating.A-tier for sales teams. B-tier for solo users.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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