Fact · Dictation software
The Open ASR Leaderboard paper says token-and-duration transducer (TDT) decoders offer superior speed (RTFx), which makes them better suited for long-form and batched processing.
Checked against its source on October 16, 2026
In the source's own words
“token-and-duration transducer (TDT) decoders offer superior RTFx, making them better suited for long-form and batched processing”
Open ASR Leaderboard: Towards Reproducible and Transparent Speech Recognition Evaluation, Hugging Face and collaborators, arXiv, 2025, Abstract.
Open the original- What it measures
- The abstract of the 2025 Open ASR Leaderboard preprint. RTFx is inverse real-time factor, a speed measure where higher is faster.
- What it does not show
- This is a benchmark result for the model families, not a measurement of a particular dictation app.