How to Build Real-Time Voice Agents with ChatGPT’s Advanced Voice Mode and GPT-5.5: Complete Implementation Guide
How to Build Real-Time Voice Agents with ChatGPT’s Advanced Voice Mode and GPT-5.5: Complete Implementation Guide Voice AI has crossed a critical threshold. As of mid-2026, GPT-5.5’s Advanced Voice Mode delivers sub-200ms end-to-end latency, native emotion detection across 47 languages, and WebSocket-based streaming that makes building production-grade voice agents genuinely…
