translation
OPUS-MT en-zh
OPUS-MT en-zh, a checkpoint of the OPUS-MT family. Small Marian translation models, one per language pair, trained on the open OPUS parallel corpora and runnable on CPU.
Levelvariant
Classtranslation
Parametersnot in the notes
Contextnot in the notes
Releasednot in the notes
Opennessopen weights permissive
Runs onnot in the notes
Statusactive
Identity
- Developer
- University of Helsinki (Helsinki-NLP)
- Family
- OPUS-MT
- Released
- – sources
- Weights published
- –
- Record checked
- 12 Oct 2026
Where this comes from
Developer and dates from the research notes. Release date is the vendor's public announcement; weights date is when open weights were published.
Architecture and Size
- Architecture
- dense transformer
- Total parameters
- – sources
- Active parameters
- –
- Checkpoint parameters
- –
- Context length
- not in the notes
- Input
- text
- Output
- text
Where this comes from
Parameter counts as the developer states them. Where the checkpoint holds a different total, both are shown (register A16).
Openness and Access
- Openness
- open weights permissive
- Licence
- Apache License 2.0 sources
- Access routes
- open weights download
Where this comes from
The licence file governs over registry tags and aggregator labels.
Deployment
- Runs on
- not in the notes
- Footprint
- not in the notes
- Runtimes
- not in the notes
Where this comes from
Deployment tiers and runtimes as named in the notes. Footprint is the notes' figure, not a measurement by AURION.
Indonesia
- Indonesian support
- not stated
- Regional languages
- not in the notes
- Jakarta hosting
- unknown
- Languages
- Model card languages: en, zh
Where this comes from
Indonesia fields are carried on every model; unknown is an allowed value.
Benchmark Results
The notes record no benchmark result for this model.
Lineage
The notes record no lineage for this model.
Industry Use Cases
No industry use case links this model.
Links
ModelOPUS-MT en-zhUniversity of Helsinki (Helsinki-NLP), translation
OPUS-MT en-zhUniversity of Helsinki (Helsinki-NLP), translationUse CasesTranslation Including IndonesianPublic SectorUse cases of models in the same R&D topic; none is recorded for this model itself.
Who Runs It
BRIN PRSDI with Universitas Hasanuddin and Universitas HandayaniResearch, 28 Jun 2025
Google TranslateIn production, 27 Jun 2024Deployments of these use cases; none names this model.
BRIN PRSDI with Universitas Hasanuddin and Universitas HandayaniResearch, 28 Jun 2025Google TranslateIn production, 27 Jun 2024Deployments of these use cases; none names this model.Organisations 1
Sources
- huggingface.co/Helsinki-NLP/opus-mt-en-zh https://huggingface.co/Helsinki-NLP/opus-mt-en-zh
- huggingface.co/api/models?pipeline_tag=translation&sort=down... https://huggingface.co/api/models?pipeline_tag=translation&sort=downloads&limit=50
- jumpstart-cache-prod-us-west-2.s3.us-west-2.amazonaws.com/models_manifest.json https://jumpstart-cache-prod-us-west-2.s3.us-west-2.amazonaws.com/models_manifest.json
To cite this page: Project AURION, AI Use-Cases Research & Innovation, "OPUS-MT En-Zh", https://aurion.semai.id/models/university-of-helsinki-opus-mt-en-zh/, records of October 2026.