Fact · Dictation
13.8percent word error rate
On the Switchboard test set, Whisper Large V2 had a word error rate of 13.8 percent.
Checked against its source on October 16, 2026
In the source's own words
“Switchboard 28.3 13.8 51.2 CallHome 34.8 17.6 49.4”
Robust Speech Recognition via Large-Scale Weak Supervision, Alec Radford et al., arXiv (eess.AS), 2022, Table 2, effective robustness across datasets.
Open the original- What it measures
- Same table and column order as the LibriSpeech Clean figure.
- What it does not show
- A benchmark result. The paper's text normalizer changes the score, as its own section on normalization explains.
Source
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