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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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A
OpenAI Voice / Realtime
S
v0
S
Perplexity
S
TaglineSpreadsheets with AI + live integrations baked in.ChatGPT's voice + the Realtime API for developers.Vercel's AI-powered UI generator. Prompt to shadcn component.AI search done right. Cited answers, not chat theater.
CategoryDataVoiceDesignResearch
PricingFree + $19-$89/user/moVoice included with ChatGPT Plus; Realtime API by usageFree + $20/moFree + $20/mo Pro
Best forOps teams, marketers, anyone building dashboards from multiple sources.Voice chat users, developers building voice agents on OpenAI.Frontend devs, PMs prototyping UIs, anyone on Next.js.Replacing Google for any question where you want a cited answer in seconds.
Strengths
  • Pull live data from Stripe, Slack, Google Analytics, etc.
  • AI functions inside cells
  • Modern UX
  • Advanced Voice Mode feels genuinely conversational
  • Realtime API enables true two-way voice apps
  • Built into ChatGPT
  • Ships working React + Tailwind code
  • Shadcn/ui native
  • One-click deploy to Vercel
  • Sources every claim
  • Fast, current answers
  • Pro Search runs multi-step research
  • Spaces for persistent context
Weaknesses
  • Not a full Excel replacement for heavy users
  • Integrations best on paid tiers
  • Pricey for production apps
  • Less voice variety than ElevenLabs
  • Platform lock-in
  • Best for shadcn stack
  • Iterating can be fiddly
  • Not a general chatbot
  • Answers can be shallow on complex topics
Kai's verdictA-tier. The most interesting spreadsheet in years. Great for ops dashboards.S-tier for conversation. A-tier for TTS. Complement to ElevenLabs, not replacement.S-tier. If you're on Vercel/shadcn, this is cheating.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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