LibriSpeech
Voxtral Small 1.53% Fading Models transcribe English audiobook speech. Scored by word error rate on the test-clean and test-other splits.
About 1,000 hours of read speech from LibriVox. Released at ICASSP 2015.
Made by Panayotov et al. (Johns Hopkins University) Released Apr 2015 Speech recognition and translation All tasks public Last in a launch post Apr 2026 , dropped before it saturated
Last model added Apr 2026
- Level
- Everyday Most adults, without training
- Scored
- Checked automatically A program checks the result against an answer key, unit tests or the expected final state.
- Answers
- Short answer A number, word or short string matched to a key.
2
Models scored in lab cards
7
Launch posts list it, from 5 labs
8
System cards report it, from 6 labs
Voxtral Small leads with 1.53%
Best score per model as labs report them in their own cards. Labs pick their own settings, so these compare less cleanly than independent runs.
- 1 Voxtral Small 1.53%
- 2 MiMo-Audio-7B-Instruct 3.76%
| # | Model | Score | Setting | Date | Source |
|---|---|---|---|---|---|
| 1 | Voxtral Small | 1.53% | Jul 2025 | Model card | |
| 2 | MiMo-Audio-7B-Instruct | 3.76% | Sep 2025 | Model card |
Scores over time
All the scores we have, one dot each, so a model tested at several settings appears more than once.
Reported by the lab in its model card
Labs headline it less often now, last in Apr 2026
Launch posts from every lab that has listed it, one tick per post. Tall colored ticks include it, and short gray ones leave it out.
| Date | Launch post | Score | As the post writes it |
|---|---|---|---|
| 28 Apr 2026 |  Seed2.0 Lite (0428) | 1.62 | Mean of Librispeech test-clean 1.07 / test-other 2.17 (WER, lower is better) |
| 30 Mar 2026 |  Qwen3.5-Omni-Plus | 1.67 | Mean of Librispeech test-clean 1.11 / test-other 2.23 |
| 26 Mar 2026 |  Cohere Transcribe | 1.25 | LS clean (LibriSpeech test-clean) WER |
| 31 Oct 2025 |  LongCat-Flash-Omni | 2.79 | Mean of LibriSpeech test-clean 1.57 / test-other 4.01 |
| 22 Sep 2025 | Qwen3-Omni-30B-A3B | 1.85 | Mean of Librispeech test-clean 1.22 / test-other 2.48 |
| 25 Apr 2025 | Kimi-Audio-7B-Instruct | 1.85 | Mean of LibriSpeech test-clean 1.28 / test-other 2.42 |
| 27 Mar 2025 | Qwen2.5-Omni-7B | 2.6 | Mean of Librispeech test-clean 1.8 / test-other 3.4 (dev-clean 1.6, dev-other 3.5 not used) |
8 system cards report it, from 6 labs
Besides launch posts, we read the system cards, model cards and technical reports labs publish with a release. They report far more, including safety and frontier-risk tests.
| Date | Document | Score | As the document writes it | Section |
|---|---|---|---|---|
| 17 Apr 2026 | Qwen3.5-Omni-Plus technical report | Librispeech ASR WER test-clean 1.11, test-other 2.23, no overall (Table 5) | Capabilities | |
| 4 Feb 2026 |  ERNIE 5.0 technical report | LibriSpeech clean 1.16, other 2.61, WER, lower is better, no overall score (Table 7) | Capabilities | |
| 31 Oct 2025 | LongCat-Flash-Omni technical report | LibriSpeech test-clean 1.57, test-other 4.01, WER, lower is better, no overall score (Table 9) | Capabilities | |
| 22 Sep 2025 | Qwen3-Omni-30B-A3B technical report | Librispeech clean 1.22, other 2.48, WER, lower is better, Instruct, no overall score (Table 6) | Capabilities | |
| 18 Sep 2025 | MiMo-Audio-7B-Instruct technical report | 3.76 | Librispeech-test-clean WER, lower is better (Table 9) | Capabilities |
| 17 Jul 2025 | Voxtral Small technical report | 1.53 | LibriSpeech Test Clean WER, lower is better, Test Other 3.14 (Table 3) | Capabilities |
| 25 Apr 2025 | Kimi-Audio-7B-Instruct technical report | LibriSpeech test-clean 1.28, test-other 2.42, WER, lower is better, no overall score (Table 4) | Capabilities | |
| 26 Mar 2025 | Qwen2.5-Omni-7B technical report | Librispeech dev-clean 1.6, dev-other 3.5, test-clean 1.8, test-other 3.4, WER, lower is better, no overall score (Table 2) | Capabilities |
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