Voice-agent latency: What metrics matter after fixing streaming?

asgillette · reddit · 2026-09-01

A developer investigates remaining latency bottlenecks in real-time voice agents after standard optimizations like streaming, short prompts, and limited tools. Observing that traces still point to model delays, they seek advice on which specific metrics—beyond TTFT, decode speed, and prefill—practitioners should track to optimize performance.

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