600–800 ms perceived willingness drop
Perceived willingness to continue the interaction begins to decline after 600 ms and drops significantly between 700 and 800 ms.
Supporting evidence
Real-Time Voice AI Stack for Agents: Architecture Guide
Original excerpt
Perceived willingness begins to drop after 600 ms and steps down significantly from 700 to 800 ms.
Context
Transport, recognition, endpointing, the LLM's first token, TTS first byte, and the return network hop each take a slice of that budget. This guide breaks down what each layer costs and where you can cut to keep your voice AI stack inside it.
Share insightCheck this claim