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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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Gemini
A
OpenAI Voice / Realtime
S
Rows
A
Perplexity
S
TaglineGoogle's answer. Best integrated with Workspace + free for a lot.ChatGPT's voice + the Realtime API for developers.Spreadsheets with AI + live integrations baked in.AI search done right. Cited answers, not chat theater.
CategoryChatbotsVoiceDataResearch
PricingFree + $20/mo Advanced (bundled with 2TB Drive)Voice included with ChatGPT Plus; Realtime API by usageFree + $19-$89/user/moFree + $20/mo Pro
Best forAnyone already on Google, research tasks, summarizing long documents.Voice chat users, developers building voice agents on OpenAI.Ops teams, marketers, anyone building dashboards from multiple sources.Replacing Google for any question where you want a cited answer in seconds.
Strengths
  • Native Google Workspace integration
  • Very long context (1M+)
  • Deep Research feature
  • Free tier is generous
  • Advanced Voice Mode feels genuinely conversational
  • Realtime API enables true two-way voice apps
  • Built into ChatGPT
  • Pull live data from Stripe, Slack, Google Analytics, etc.
  • AI functions inside cells
  • Modern UX
  • Sources every claim
  • Fast, current answers
  • Pro Search runs multi-step research
  • Spaces for persistent context
Weaknesses
  • Writing quality trails Claude
  • Over-refusals on edge content
  • UI is cluttered
  • Pricey for production apps
  • Less voice variety than ElevenLabs
  • Platform lock-in
  • Not a full Excel replacement for heavy users
  • Integrations best on paid tiers
  • Not a general chatbot
  • Answers can be shallow on complex topics
Kai's verdictA-tier. The Deep Research feature is genuinely useful. Don't sleep on it if you're already paying Google.S-tier for conversation. A-tier for TTS. Complement to ElevenLabs, not replacement.A-tier. The most interesting spreadsheet in years. Great for ops dashboards.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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