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Metrics & KPIs

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Word Error Rate (WER)

Word Error Rate (WER)

/ word-error-rate-wer /

The standard ASR accuracy metric: the percentage of words transcribed incorrectly versus a reference transcript.

The standard ASR accuracy metric: the percentage of words transcribed incorrectly versus a reference transcript.

Why it matters

WER is the standard yardstick for transcription quality — but a low average can hide fatal errors on names and numbers, so pair it with entity-level checks.

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