Fact · Transcription
4.4percent average word error rate
In the 2024 study, Microsoft had an average word error rate of 4.4 percent on the English lecture recordings.
Checked against its source on October 17, 2026
In the source's own words
“Table 4. Average Word Error Rate in percent by service provider and dataset Vendor English LibriSpeech ESL German ... Microsoft 4.4 5.9 6.7 10.1”
Measuring the Accuracy of Automatic Speech Recognition Solutions (HTML version), Korbinian Kuhn et al., arXiv, 2024, Table 4.
Open the original- What it measures
- Table 4 of a 2024 study that transcribed university lecture recordings with eleven services. The English column covers English lecture recordings.
- What it does not show
- The recordings are university lectures, so the rates may not match your meetings. The study was run in 2024 and the services may have changed.