Voice
Realtime Voice and voice mode
GPT-Realtime-2.1 is OpenAI's current low-latency voice API family — it supports interruption, tone detection, and laugh responses, and powers ChatGPT Voice Mode. This channel covers the difference between the Realtime API and ChatGPT Voice Mode, WebRTC vs WebSocket selection, and mid-conversation function calling in practice.
6 article(s) total
What you'll learn in this channel
These are the core topics this channel covers. Each featured article unpacks several of them in depth.
- GPT-Realtime-2.1
- WebRTC vs WebSocket
- Voice Mode
- The six voices
- Ephemeral Token
- Function Calling
The Live API lands in the OpenAI SDK: gpt-live-1, dual WebRTC/WebSocket channels, and SIP call control
openai-python v3.12.0 and openai-node v7.14.0 (09-10) add the Live API: WebRTC session setup, WebSocket connect, SIP call control, recording download, sideband — plus a gpt-live-1 literal. Only SDK-source-verifiable facts.
Read articleGPT-Realtime-2.1 End-to-End vs ASR+LLM+TTS Pipelines: Choosing a Voice Architecture
For voice products: Realtime end-to-end or a self-assembled ASR+LLM+TTS pipeline? A five-dimension comparison (latency, interruption, control, deployment, multilingual) plus scenario-based recommendations.
Read articleRealtime API multilingual production: zh / en / ja auto-detect + cross-language dialog + dialect robustness
GPT-Realtime-2.1 multilingual capability: auto-detect user language (zh / en / ja / ko / es etc.), cross-language dialog (user speaks A, AI answers B), dialect robustness (Cantonese / Sichuanese), translate mode auto-translation.
Read articleRealtime Voice Agents in production: phone support and voice assistants with Realtime API + function calling
Wire GPT-Realtime-2.1 into phone / voice assistant scenarios for Realtime Voice Agents. WebRTC vs WebSocket selection, server_vad tuning, mid-conversation function calling, barge-in handling, call quality monitoring.
Read articleAdvanced Voice Deep Dive: GPT-Realtime-2.1, Latency Tuning, and Production Patterns
A production-ready guide to GPT-Realtime-2.1 and ChatGPT Advanced Voice: WebRTC vs WebSocket, turn detection tuning, mid-conversation function calling, VAD parameters, and deployment.
Read articleRealtime Voice guide: gpt-realtime and Voice Mode
How to ship low-latency voice AI with OpenAI's gpt-realtime / gpt-realtime-mini: WebRTC vs WebSocket, mid-conversation function calling, and Voice Mode best practices.
Read article