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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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Perplexity
S
GitHub Copilot
B
Fireflies
A
OpenAI Voice / Realtime
S
TaglineAI search done right. Cited answers, not chat theater.Microsoft/GitHub's autocomplete. Deep VS Code + JetBrains integration.Sales-focused meeting AI with CRM integration.ChatGPT's voice + the Realtime API for developers.
Categoryresearchcodingmeetingvoice
PricingFree + $20/mo ProFree (limited) + $10/mo Pro + $19/mo BusinessFree + $10-$19/user/moVoice included with ChatGPT Plus; Realtime API by usage
Best forReplacing Google for any question where you want a cited answer in seconds.Teams with GitHub already. Devs who don't want to change IDEs.Sales teams, customer success, anyone running many discovery calls.Voice chat users, developers building voice agents on OpenAI.
Strengths
  • Sources every claim
  • Fast, current answers
  • Pro Search runs multi-step research
  • Spaces for persistent context
  • Great enterprise story
  • Works in your existing IDE
  • Chat + autocomplete
  • Good CRM integrations (Salesforce, HubSpot)
  • Talk-time + sentiment analytics
  • Call scoring
  • Advanced Voice Mode feels genuinely conversational
  • Realtime API enables true two-way voice apps
  • Built into ChatGPT
Weaknesses
  • Not a general chatbot
  • Answers can be shallow on complex topics
  • Less agentic than Cursor/Claude Code
  • Model quality varies
  • Bot-joins (intrusive)
  • Gets expensive at team scale
  • Pricey for production apps
  • Less voice variety than ElevenLabs
  • Platform lock-in
Kai's verdictS-tier for search. I use it before Google now. If you're still Googling everything, try this for a week.B-tier. Solid for autocomplete but the category moved past it. Pick Cursor unless you can't.A-tier for sales teams. B-tier for solo users.S-tier for conversation. A-tier for TTS. Complement to ElevenLabs, not replacement.
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