Fact · Speech recognition
5.69percent word error rate
Vosk's 1.8 GB English model vosk-model-en-us-0.22 had a word error rate of 5.69 percent on LibriSpeech test-clean, and it is listed under the Apache 2.0 license.
Checked against its source on October 17, 2026
In the source's own words
“vosk-model-en-us-0.22 1.8G 5.69 (librispeech test-clean) 6.05 (tedlium) 29.78(callcenter) Accurate generic US English model Apache 2.0”
Vosk models (Alpha Cephei), Alpha Cephei, 2026, Model list table.
Open the original- What it measures
- The Vosk project's own model table lists this model as an accurate generic US English model. The figure is for LibriSpeech test-clean, a read-audiobook test set.
- What it does not show
- A single test set measured by the project itself. It is not the Open ASR Leaderboard average, so it cannot be ranked against the Parakeet, Canary or Whisper figures on that leaderboard.