source languages: nl; target languages: en; OPUS readme: nl-en; dataset: opus; model: transformer-align; pre-processing: normalization + SentencePiece.
Open-weight model · Translation
opus-mt-en-zh
by Helsinki-NLP Research Group Helsinki-NLP/opus-mt-en-zh
a sentence initial language token is required in the form of >>id<< (id = valid target language ID) - hfname: eng-zho - sourcelanguages: eng - targetlanguages: zho - opusreadmeurl…
Parameters—
Context512
Weights1.5 GB
Licenseapache-2.0
AccessOpen weights
Monthly Downloads100.5k
Model Card
By Helsinki-NLP Research Group, published under apache-2.0, revision 408d9bc410a3.
a sentence initial language token is required in the form of >>id<< (id = valid target language ID) - hfname: eng-zho - sourcelanguages: eng - targetlanguages: zho - opusreadmeurl: https://github.com/Helsinki-NLP/Tatoeba-Challenge/tree/master/models/eng-zho/README.md - originalrepo: Tatoeba-Challenge - srcconstituents: {'eng'} - tgtconstituents: {'cmnHans', 'nan', 'nanHani', 'gan', 'yue', 'cmnKana', 'yueHani', 'wuuBopo', 'cmnLatn', 'yueHira', 'cmnHani', 'cjyHans', 'cmn', 'lzhHang', 'lzhHira', 'cmnHant', 'lzhBopo', 'zho', 'zhoHans', 'zhoHant', 'lzhHani', 'yueHang', 'wuu', 'yueKana', 'wuuLatn', 'yueBopo', 'cjyHant', 'yueHans', 'lzh', 'cmnHira', 'lzhYiii', 'lzhHans', 'cmnBopo', 'cmnHang'…
Read Helsinki-NLP Research Group's full model card
eng-zho
- source group: English
- target group: Chinese
-
OPUS readme: eng-zho
-
model: transformer
- source language(s): eng
- target language(s): cjy_Hans cjy_Hant cmn cmn_Hans cmn_Hant gan lzh lzh_Hans nan wuu yue yue_Hans yue_Hant
- model: transformer
- pre-processing: normalization + SentencePiece (spm32k,spm32k)
- a sentence initial language token is required in the form of
>>id<<(id = valid target language ID) - download original weights: opus-2020-07-17.zip
- test set translations: opus-2020-07-17.test.txt
- test set scores: opus-2020-07-17.eval.txt
Benchmarks
| testset | BLEU | chr-F |
|---|---|---|
| Tatoeba-test.eng.zho | 31.4 | 0.268 |
System Info:
-
hf_name: eng-zho
-
source_languages: eng
-
target_languages: zho
-
opus_readme_url: https://github.com/Helsinki-NLP/Tatoeba-Challenge/tree/master/models/eng-zho/README.md
-
original_repo: Tatoeba-Challenge
-
tags: ['translation']
-
languages: ['en', 'zh']
-
src_constituents: {'eng'}
-
tgt_constituents: {'cmn_Hans', 'nan', 'nan_Hani', 'gan', 'yue', 'cmn_Kana', 'yue_Hani', 'wuu_Bopo', 'cmn_Latn', 'yue_Hira', 'cmn_Hani', 'cjy_Hans', 'cmn', 'lzh_Hang', 'lzh_Hira', 'cmn_Hant', 'lzh_Bopo', 'zho', 'zho_Hans', 'zho_Hant', 'lzh_Hani', 'yue_Hang', 'wuu', 'yue_Kana', 'wuu_Latn', 'yue_Bopo', 'cjy_Hant', 'yue_Hans', 'lzh', 'cmn_Hira', 'lzh_Yiii', 'lzh_Hans', 'cmn_Bopo', 'cmn_Hang', 'hak_Hani', 'cmn_Yiii', 'yue_Hant', 'lzh_Kana', 'wuu_Hani'}
-
src_multilingual: False
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tgt_multilingual: False
-
prepro: normalization + SentencePiece (spm32k,spm32k)
-
url_model: https://object.pouta.csc.fi/Tatoeba-MT-models/eng-zho/opus-2020-07-17.zip
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url_test_set: https://object.pouta.csc.fi/Tatoeba-MT-models/eng-zho/opus-2020-07-17.test.txt
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src_alpha3: eng
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tgt_alpha3: zho
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short_pair: en-zh
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chrF2_score: 0.268
-
bleu: 31.4
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brevity_penalty: 0.8959999999999999
-
ref_len: 110468.0
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src_name: English
-
tgt_name: Chinese
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train_date: 2020-07-17
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src_alpha2: en
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tgt_alpha2: zh
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prefer_old: False
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long_pair: eng-zho
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helsinki_git_sha: 480fcbe0ee1bf4774bcbe6226ad9f58e63f6c535
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transformers_git_sha: 2207e5d8cb224e954a7cba69fa4ac2309e9ff30b
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port_machine: brutasse
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port_time: 2020-08-21-14:41
Configuration
- Architecture
- MarianMTModel
- Context length (tokens)
- 512
- Layers
- 6
- Vocabulary size
- 65,001
- Model type
- marian
Identity and Version
- Repository
- Helsinki-NLP/opus-mt-en-zh
- Publisher
- Helsinki-NLP Research Group
- Task
- Translation
- Modality
- Text
- Library
- transformers
- Parameters
- Not stated by the source
- Languages
- en, zh
- Revision
- 408d9bc410a388e1d9aef112a2daba955b945255
- First published
- 2022-03-02
- Last updated
- 2023-08-16
Files and Weights
13 files, 1.5 GB in total. The weights are 4 files totalling 1.5 GB in bin, h5, msgpack, ot.
Weights4 files · 1.5 GB
Configuration3 files · 3.2 KB
Tokenizer2 files · 1.6 MB
Documentation1 file · 2.7 KB
Other2 files · 1.6 MB
Repository1 file · 391 B
Every file
| File | Type | Size | SHA-256 |
|---|---|---|---|
| flax_model.msgpack | Weights | 309.9 MB | de82e23a535e |
| pytorch_model.bin | Weights | 312.1 MB | 69a1d6ec829c |
| rust_model.ot | Weights | 578.4 MB | 9863d8dc7fd6 |
| tf_model.h5 | Weights | 312.6 MB | 43941ec7f52f |
| config.json | Configuration | 1.4 KB | — |
| generation_config.json | Configuration | 293 B | — |
| metadata.json | Configuration | 1.5 KB | — |
| README.md | Documentation | 2.7 KB | — |
| source.spm | Other | 806.4 KB | — |
| target.spm | Other | 804.6 KB | — |
| .gitattributes | Repository | 391 B | — |
| tokenizer_config.json | Tokenizer | 44 B | — |
| vocab.json | Tokenizer | 1.6 MB | — |
License and Download
- License
- apache-2.0
- Access
- Open weights, no gate
- Download size
- 1.5 GB
Download from Helsinki-NLP Research Group
Released by Helsinki-NLP Research Group through its official repository on Hugging Face. Read the license.
Memory Requirements
| Precision | Weights in memory |
|---|---|
| As published | 1.5 GB |
Weights only, from the published parameter count; the key-value cache and runtime add to this.
Questions About opus-mt-en-zh
Can I use opus-mt-en-zh commercially?
Yes. opus-mt-en-zh is released under Apache License 2.0. The Apache License 2.0 is a permissive open-source license. It permits commercial use, modification and redistribution. It requires keeping the license and copyright notices and any NOTICE file, stating significant changes, and it includes an express patent grant from contributors.
What is opus-mt-en-zh's context length?
512 tokens, from the maximum position embeddings in its published configuration.
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