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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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OpenAI Voice / Realtime
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TaglineVS Code fork that made AI coding actually work.Vector + raster AI for designers. Actually controls the output.ChatGPT's voice + the Realtime API for developers.Spreadsheets with AI + live integrations baked in.
CategoryCodingImageVoiceData
PricingFree + $20/mo Pro + $40/mo BusinessFree + $12-$48/moVoice included with ChatGPT Plus; Realtime API by usageFree + $19-$89/user/mo
Best forDevelopers. Non-developers who want to ship working code.Designers, brand teams, anyone needing vector output or tight style control.Voice chat users, developers building voice agents on OpenAI.Ops teams, marketers, anyone building dashboards from multiple sources.
Strengths
  • Tab completion feels like mind-reading
  • Composer for multi-file edits
  • Runs Claude, GPT, Gemini — you pick
  • Exports SVG vectors — rare in AI image gen
  • Strong style control + consistency
  • Brand kit for consistent outputs
  • 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
Weaknesses
  • Can feel overwhelming for non-coders
  • Expensive at scale
  • Less hyped than Midjourney
  • Learning curve for non-designers
  • 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
Kai's verdictS-tier for coding. If you write code of any kind, this pays back the $20 in a day.S-tier for designers. The only one that takes vectors seriously.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.
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