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Aggregate WER is a useless metric for voice agents in production

Our ASR was showing 95 percent accuracy so nobody questioned it but then someone actually checked the calls where customers read out IFSC codes and about half were wrong by at least one character. One wrong word in a twenty word sentence still makes sense, one wrong character in a bank code and it'…

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  1. 2026-09-21 11:55 · r/AI_Agents
    Aggregate WER is a useless metric for voice agents in production

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