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OpenAI Voice / Realtime
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Groq
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TaglineRun any open-source AI model with an API call.ChatGPT's voice + the Realtime API for developers.VS Code fork that made AI coding actually work.The fastest AI inference in the world. Crazy low latency.
CategoryDev PlatformVoiceCodingDev Platform
PricingPay per second of computeVoice included with ChatGPT Plus; Realtime API by usageFree + $20/mo Pro + $40/mo BusinessFree tier + pay-as-you-go API
Best forDevelopers using open-source models (Flux, SDXL, Whisper, etc).Voice chat users, developers building voice agents on OpenAI.Developers. Non-developers who want to ship working code.Developers who need sub-100ms LLM responses.
Strengths
  • Tens of thousands of models (image, video, audio, LLMs)
  • One-line API for any model
  • Cog framework for custom model deploy
  • Advanced Voice Mode feels genuinely conversational
  • Realtime API enables true two-way voice apps
  • Built into ChatGPT
  • Tab completion feels like mind-reading
  • Composer for multi-file edits
  • Runs Claude, GPT, Gemini — you pick
  • 500+ tokens/sec on Llama/Mixtral — feels instant
  • Custom LPU hardware
  • Great free tier
Weaknesses
  • Cold starts on less-popular models
  • Pricing gets real at scale
  • Pricey for production apps
  • Less voice variety than ElevenLabs
  • Platform lock-in
  • Can feel overwhelming for non-coders
  • Expensive at scale
  • Open-weight models only (no Claude/GPT)
  • Less flexibility on custom configs
Kai's verdictS-tier for open-source model APIs. The default in this space.S-tier for conversation. A-tier for TTS. Complement to ElevenLabs, not replacement.S-tier for coding. If you write code of any kind, this pays back the $20 in a day.S-tier for speed. When latency is the product, start here.
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