"Voice AI" is really Text AI with a voice overlay

Martijn Bartelds, Federico Bianchi, James Zou, "Real-Time Voice AI Hears but Does Not Listen", 6/24/2026: Speech conveys information through both words and vocal delivery. We evaluate four leading production realtime voice systems – OpenAI's GPT Realtime 2, Google's Gemini 3.1 Flash Live, and Alibaba's Qwen3.5 Omni Plus and Omni Flash – on tasks where the […]