Fact · Speech recognition
6.05percent average WER
On the Open ASR Leaderboard's English short-form track, NVIDIA Parakeet TDT 0.6B v2 had an average word error rate of 6.05 percent and an inverse real-time factor of 3,390.
Checked against its source on October 16, 2026
In the source's own words
“NVIDIA Parakeet TDT 0.6B v2 Yes 6.05 3390 FastConformer”
Open ASR Leaderboard: Towards Reproducible and Transparent Multilingual and Long-Form Speech Recognition Evaluation, Hugging Face and collaborators, arXiv, 2025, Table 3.
Open the original- What it measures
- RTFx is seconds of audio transcribed per second of compute, measured by the leaderboard on its own hardware and batching.
- What it does not show
- Batched GPU throughput, not the latency you would feel on a laptop.
Source
Used to calculate
Cited on
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