whatmodel.sh / stt / wav2vec 2.0 Conformer Rel-Pos Large 960h
wav2vec 2.0 Conformer Rel-Pos Large 960h
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wav2vec 2.0 Conformer Rel-Pos Large 960h is an open-weights speech-to-text model from Meta, released April 2022. Its published size is 0.62B parameters. Licence: apache-2.0.
Catalogue identity notes
Exact checkpoint facebook/wav2vec2-conformer-rel-pos-large-960h-ft (CTC fine-tuned on LibriSpeech 960h). Params: fp32 pytorch_model.bin 2,474,878,081 bytes / 4; released: HF repo creation month.
Score within the Open ASR English short-form WER (March 2026) comparison set only.
$ how it compares
The speech-to-text models ranked either side of wav2vec 2.0 Conformer Rel-Pos Large 960h, out of 176 with a score, then more from Meta.
| # | model | score | where | ||
|---|---|---|---|---|---|
| 167 | wav2vec 2.0 Large Robust (LibriSpeech 960h ft) | 15±5 | local | ||
| 168 |  Whisper tiny | 14±3 | local | ||
| 169 | wav2vec 2.0 Conformer Rel-Pos Large 960h | 14±4 | local | ||
| 170 | wav2vec 2.0 Conformer RoPE Large 960h | 13±4 | local | ||
| 171 | data2vec Audio Large 960h | 13±4 | local | ||
| more from Meta | |||||
| 1 | Muse Voice Transcribe 1.0 | 71±3 | api $0.0030/audio min | ||
| 58 | Omnilingual ASR LLM 7B | 58±2 | local | ||
| 59 | Omnilingual ASR LLM 7B v2 | 58±3 | local | ||
see all speech-to-text models · find the ones that fit your machine
$ what it's good at
other tests3 not in a task · 95% of its score
| test | result | vs the others in its run | counts |
|---|---|---|---|
| Open ASR English short-form WER (March 2026) | 23.3% ✎ | ▁▁▁▃··▁▁▂██▆ beats 4/86 | 43% |
| LibriSpeech test-other WER lab | 3.8% ✎ | ▂·▂·▂······█ beats 6/6 | 38% |
| LibriSpeech test-clean WER lab | 1.8% ✎ | ▂··▂▂·····▂█ beats 7/8 | 13% |
$ where to run it
Other ways to run it
- Run it as published · needs ~3.48 GB · from huggingface.co/facebook
uv run --with transformers --with torch python -c "from transformers import pipeline; print(pipeline('automatic-speech-recognition', model='facebook/wav2vec2-conformer-rel-pos-large-960h-ft', chunk_length_s=30)('audio.wav')['text'])"
Weights and documentation: huggingface.co/facebook ↗
$ how the score was worked out · Meta (facebook org) Hugging F… 52%, Open ASR Leaderboard 43%
Each result implies a score on its own, after adjusting for how hard its test is and who ran it. The score is their weighted average, with a small pull toward the middle for thinly tested models. Each test's weight is its counts column above; here it's added up by who ran the tests. How it works
| source | results | share of the score |
|---|---|---|
 Meta (facebook org) Hugging Face ASR model cards: published LibriSpeech WER for its own checkpoints · lab-reported | 2 | 52% |
| Open ASR Leaderboard | 1 | 43% |
| prior · pull toward the middle | 5% | |
| weighted average | = 13.6 |
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data updated · sources and licences · json