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origin-Helsinki-NLP-opus-mt-zle-zle
WindstormLabs/origin-Helsinki-NLP-opus-mt-zle-zle
origin-Helsinki-NLP-opus-mt-zle-zle is a translation model from WindstormLabs. Use it when you need text moved from one language to another. The card lists the license as apache-2.0.
source group: East Slavic languages target group: East Slavic languages OPUS readme: zle-zle
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At a glance
- Task
- Translation
- License
- apache-2.0
- Model type
- marian
- Access
- Public
- Created
- May 25, 2026
- Updated
- Oct 1, 2026
- SHA
- 6e149ad4
Model card
From the Hugging Face model README
zle-zle
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source group: East Slavic languages
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target group: East Slavic languages
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OPUS readme: zle-zle
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model: transformer
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source language(s): bel bel_Latn orv_Cyrl rus ukr
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target language(s): bel bel_Latn orv_Cyrl rus ukr
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model: transformer
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pre-processing: normalization + SentencePiece (spm32k,spm32k)
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a sentence initial language token is required in the form of
>>id<<(id = valid target language ID) -
download original weights: opus-2020-07-27.zip
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test set translations: opus-2020-07-27.test.txt
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test set scores: opus-2020-07-27.eval.txt
Benchmarks
| testset | BLEU | chr-F |
|---|---|---|
| Tatoeba-test.bel-rus.bel.rus | 57.1 | 0.758 |
| Tatoeba-test.bel-ukr.bel.ukr | 55.5 | 0.751 |
| Tatoeba-test.multi.multi | 58.0 | 0.742 |
| Tatoeba-test.orv-rus.orv.rus | 5.8 | 0.226 |
| Tatoeba-test.orv-ukr.orv.ukr | 2.5 | 0.161 |
| Tatoeba-test.rus-bel.rus.bel | 50.5 | 0.714 |
| Tatoeba-test.rus-orv.rus.orv | 0.3 | 0.129 |
| Tatoeba-test.rus-ukr.rus.ukr | 63.9 | 0.794 |
| Tatoeba-test.ukr-bel.ukr.bel | 51.3 | 0.719 |
| Tatoeba-test.ukr-orv.ukr.orv | 0.3 | 0.106 |
| Tatoeba-test.ukr-rus.ukr.rus | 68.7 | 0.825 |
System Info:
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hf_name: zle-zle
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source_languages: zle
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target_languages: zle
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opus_readme_url: https://github.com/Helsinki-NLP/Tatoeba-Challenge/tree/master/models/zle-zle/README.md
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original_repo: Tatoeba-Challenge
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tags: ['translation']
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languages: ['be', 'ru', 'uk', 'zle']
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src_constituents: {'bel', 'orv_Cyrl', 'bel_Latn', 'rus', 'ukr', 'rue'}
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tgt_constituents: {'bel', 'orv_Cyrl', 'bel_Latn', 'rus', 'ukr', 'rue'}
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src_multilingual: True
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tgt_multilingual: True
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prepro: normalization + SentencePiece (spm32k,spm32k)
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url_model: https://object.pouta.csc.fi/Tatoeba-MT-models/zle-zle/opus-2020-07-27.zip
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url_test_set: https://object.pouta.csc.fi/Tatoeba-MT-models/zle-zle/opus-2020-07-27.test.txt
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src_alpha3: zle
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tgt_alpha3: zle
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short_pair: zle-zle
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chrF2_score: 0.742
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bleu: 58.0
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brevity_penalty: 1.0
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ref_len: 62731.0
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src_name: East Slavic languages
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tgt_name: East Slavic languages
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train_date: 2020-07-27
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src_alpha2: zle
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tgt_alpha2: zle
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prefer_old: False
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long_pair: zle-zle
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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
- Task
- Translation
- Type
- marian
- License
- apache-2.0
- Languages
- be, ru, uk, zle
- Created
- May 25, 2026
- Updated
- Oct 1, 2026