Metrics
What is Latency?
Latency, in voice AI, is the delay between a caller finishing speaking and the agent beginning to reply.
Also called: response latency, conversational latency
It is the single most noticeable quality signal on a call. Human conversation has gaps of roughly 200 milliseconds; anything beyond about two seconds reads as a bad line or a machine, and callers start talking over the agent or hang up. Total latency is the sum of speech recognition, model inference and speech synthesis, so a slow component anywhere shows up as an awkward pause.
Outpero targets under 1.4 seconds. Latency, more than vocabulary or accent, determines whether callers stay on the line.
What is Latency?
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Latency, in voice AI, is the delay between a caller finishing speaking and the agent beginning to reply. It is the single most noticeable quality signal on a call. Human conversation has gaps of roughly 200 milliseconds; anything beyond about two seconds reads as a bad line or a machine, and callers start talking over the agent or hang up. Total latency is the sum of speech recognition, model inference and speech synthesis, so a slow component anywhere shows up as an awkward pause.
Why does Latency matter?
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Outpero targets under 1.4 seconds. Latency, more than vocabulary or accent, determines whether callers stay on the line.
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