whatmodel.sh / stt / HuBERT X-Large (LibriSpeech 960h ft)

HuBERT X-Large (LibriSpeech 960h ft) is an open-weights speech-to-text model from Meta, released June 2021. Its published size is 0.96B parameters. Licence: apache-2.0.

Catalogue identity notes

Exact checkpoint facebook/hubert-xlarge-ls960-ft (CTC fine-tuned on LibriSpeech 960h). Params: HF safetensors total; released: arXiv 2106.07447v1 month.

15.7±4.1#151 of 162 speech-to-text modelsfrom 5 benchmark results across 4 sources

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 HuBERT X-Large (LibriSpeech 960h ft), out of 176 with a score, then more from Meta.

#modelscorewhereRAMreleased
163Whisper base OpenAI25±3local~0.7GB2022-09
164wav2vec 2.0 Large 960h LV-60 self-training Meta16±3local~2GB2020-10
165HuBERT X-Large (LibriSpeech 960h ft) Meta16±4local~5.1GB2021-06
166HuBERT Large (LibriSpeech 960h ft) Meta15±4local~2GB2021-06
167wav2vec 2.0 Large Robust (LibriSpeech 960h ft) Meta15±5local~2GB2021-04
more from Meta
1Muse Voice Transcribe 1.0 Meta71±3api $0.0030/audio min2026-09
58Omnilingual ASR LLM 7B Meta58±2local~19GB2025-11
59Omnilingual ASR LLM 7B v2 Meta58±3local~19GB2025-12

see all speech-to-text models · find the ones that fit your machine

$ what it's good at

other tests4 not in a task · 93% of its score
testresultvs the others in its rundifficultycountswhy
Open ASR English short-form WER (March 2026)22.5% ✎▁▁▁▃··▁▁▂██▆ beats 9/86avg 8.2%▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇ 58%blunt
LibriSpeech test-clean WER +12.1% ✎▂··▂·▃▂█▂▃▃▃ beats 13/16avg 0.4%▇▇▇▇▇▇▇▇▇ 21%blunt · several runs
AfriSpeech-200 test (108 African accents) · WER64.1% ✎███····█████ beats 1/7avg 30%▇▇▇▇ 9.3%blunt
TED-LIUM test WER (short-form)14.7% ✎▂····▂▂▂█▃▃▂ beats 4/13avg 9.2%▇▇ 4.2%blunt

$ where to run it

Other ways to run it

  1. Run it as published · needs ~5.11 GB · from huggingface.co/facebook
    uv run --with transformers --with torch python -c "from transformers import pipeline; print(pipeline('automatic-speech-recognition', model='facebook/hubert-xlarge-ls960-ft', chunk_length_s=30)('audio.wav')['text'])"

Weights and documentation: huggingface.co/facebook ↗

$ how the score was worked out · Open ASR Leaderboard 58%, Meta (facebook org) Hugging F… 18%, AfriSpeech-200 (arXiv:2310.00… 9% and 1 more

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

$ improve this page

Use a short GitHub form or edit the data through a pull request. Every number needs a source; here's which ones we can use.

data updated · sources and licences · json