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OpenAI Voice / Realtime
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TaglineRun any open-source AI model with an API call.Sales-focused meeting AI with CRM integration.ChatGPT's voice + the Realtime API for developers.Spreadsheets with AI + live integrations baked in.
CategoryDev PlatformMeetingsVoiceData
PricingPay per second of computeFree + $10-$19/user/moVoice included with ChatGPT Plus; Realtime API by usageFree + $19-$89/user/mo
Best forDevelopers using open-source models (Flux, SDXL, Whisper, etc).Sales teams, customer success, anyone running many discovery calls.Voice chat users, developers building voice agents on OpenAI.Ops teams, marketers, anyone building dashboards from multiple sources.
Strengths
  • Tens of thousands of models (image, video, audio, LLMs)
  • One-line API for any model
  • Cog framework for custom model deploy
  • 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
  • Pull live data from Stripe, Slack, Google Analytics, etc.
  • AI functions inside cells
  • Modern UX
Weaknesses
  • Cold starts on less-popular models
  • Pricing gets real at scale
  • Bot-joins (intrusive)
  • Gets expensive at team scale
  • 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 open-source model APIs. The default in this space.A-tier for sales teams. B-tier for solo users.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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