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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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GitHub Copilot
B
OpenAI Voice / Realtime
S
Rows
A
Perplexity
S
TaglineMicrosoft/GitHub's autocomplete. Deep VS Code + JetBrains integration.ChatGPT's voice + the Realtime API for developers.Spreadsheets with AI + live integrations baked in.AI search done right. Cited answers, not chat theater.
Categorycodingvoicedataresearch
PricingFree (limited) + $10/mo Pro + $19/mo BusinessVoice included with ChatGPT Plus; Realtime API by usageFree + $19-$89/user/moFree + $20/mo Pro
Best forTeams with GitHub already. Devs who don't want to change IDEs.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
  • Great enterprise story
  • Works in your existing IDE
  • Chat + autocomplete
  • 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
  • Less agentic than Cursor/Claude Code
  • Model quality varies
  • 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 verdictB-tier. Solid for autocomplete but the category moved past it. Pick Cursor unless you can't.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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