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Open Source Model Profile · Helsinki-NLP

opus-mt-zh-vi

opus-mt-zh-vi is a Marian Chinese-to-Vietnamese translation model from Helsinki-NLP. Its card reports BLEU 20.0 and Apache-2.0 licensing.

Publisher
Helsinki-NLP
Task
translation
Model type
marian
License
apache-2.0
Library
transformers
Publication status
Accepted · not indexed

Model overview

opus-mt-zh-vi is published by Helsinki-NLP as a Marian translation model. The captured configuration identifies MarianMTModel with model type marian, and card data records apache-2.0. According to the model card, it translates the Chinese source group to the Vietnamese target group as a transformer-align OPUS model.

Recorded capabilities

Chinese-to-Vietnamese translation

Hub data records the translation pipeline with zh and vi tags, and the model card states Chinese source and Vietnamese target groups.

MarianMT Transformers record

Captured configuration records MarianMTModel with model type marian and Transformers support.

Publisher-reported OPUS benchmarks

According to the model card, the Tatoeba-test.zho.vie set scores BLEU 20.0 with chr-F 0.385 under normalization plus SentencePiece pre-processing.

Apache-2.0 licensing record

Card data records apache-2.0 for this model.

Use cases in the source record

  • Chinese-to-Vietnamese text translation using the documented OPUS transformer-align setup.
  • Benchmark-grounded translation selection that treats the card's reported BLEU 20.0 and chr-F 0.385 as publisher claims.

Limitations and unknowns

  • No parameter count was extracted from this record.
  • No context-window value was extracted from this record.
  • Reported BLEU and chr-F figures are publisher claims from the model card and were not independently verified.
  • Provider state is historical snapshot data and should be refreshed before being presented as current.

Source and provenance

Source: Helsinki-NLP/opus-mt-zh-vi

Captured: Unknown. Processed: 2026-09-07T19:34:31.586053+00:00.

zho-vie source group: Chinese target group: Vietnamese OPUS readme: zho-vie model: transformer-align source language(s): cmn_Hani cmn_Latn target language(s): vie model: transformer-align pre-processing: normalization + SentencePiece (spm32k,spm32k) download original weights: opus-2020-06-17.zip test set translations: opus-2020-06-17.test.txt test set scores: opus-2020-06-17.eval.txt Benchmarks testset BLEU chr-F Tatoeba-test.zho.vie 20.0 0.385 System Info: hf_name: zho-vie source_languages: zho target_languages: vie opus_readme_url: https://github.com/Helsinki-NLP/Tatoeba-Challenge/tree/master/models/zho-vie/README.md original_repo…

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