opus mt de en

ProviderHelsinki-NLP
Categorytranslation
Licenseapache-2.0
Downloads209
Stars1

Overview

The opus-mt-de-en model is a specialized neural machine translation (NMT) engine developed by Helsinki-NLP, designed specifically for translating German text into English. Unlike general-purpose LLMs, this model is lightweight and optimized for high-throughput translation tasks, making it ideal for deployment in resource-constrained environments or as a dedicated microservice. It integrates seamlessly via the Hugging Face Transformers library, allowing developers to implement translation pipelines with minimal boilerplate. While it lacks the conversational nuance of frontier models, it provides consistent, deterministic outputs for technical and formal documentation, offering a cost-effective alternative to expensive API-based translation services.

Highlights

  • Optimized for high-performance German to English translation
  • Lightweight architecture suitable for edge deployment
  • Apache-2.0 license allows flexible commercial use
  • Easy integration via Hugging Face Transformers library
  • Deterministic outputs for consistent technical documentation

Usage

Install
# Install Hugging Face transformers
pip install transformers torch
SDK Usage
# Load model with transformers
from transformers import AutoModel, AutoTokenizer

model = AutoModel.from_pretrained("Helsinki-NLP/opus-mt-de-en")
tokenizer = AutoTokenizer.from_pretrained("Helsinki-NLP/opus-mt-de-en")

Hugging Face Download

We recommend downloading the model via the Hugging Face CLI or Hub SDK.

Guidance:Before downloading, install huggingface_hub with:

Guidance
pip install -U huggingface_hub

CLI Download

Download the full repository

Download the full repository
huggingface-cli download Helsinki-NLP/opus-mt-de-en

Download a single file to a local folder (e.g. config.json into ./dir)

Download a single file to a local folder (e.g. config.json into ./dir)
huggingface-cli download Helsinki-NLP/opus-mt-de-en config.json --local-dir ./dir

See the official docs for more CLI options

SDK Download

SDK Download
# 模型下载
from huggingface_hub import snapshot_download
model_dir = snapshot_download('Helsinki-NLP/opus-mt-de-en')

Git Download

Make sure git-lfs is installed first

Git Download
git lfs install
git clone https://huggingface.co/Helsinki-NLP/opus-mt-de-en

To skip LFS large-file downloads, use:

Skip LFS
GIT_LFS_SKIP_SMUDGE=1 git clone https://huggingface.co/Helsinki-NLP/opus-mt-de-en

Model files are hosted on the Hugging Face Hub — download directly via HF CLI / SDK / Git, not through this site.

PyTorch / Transformers Usage

Install Transformers

Install Transformers
pip install -U transformers torch

Load the model and run inference

Load the model and run inference
from transformers import AutoModelForCausalLM, AutoTokenizer

model = AutoModelForCausalLM.from_pretrained('Helsinki-NLP/opus-mt-de-en')
tokenizer = AutoTokenizer.from_pretrained('Helsinki-NLP/opus-mt-de-en')

Model Download

We recommend downloading the model via the ModelScope CLI or SDK.

Guidance:Before downloading, install ModelScope with:

Guidance
pip install modelscope

CLI Download

Download the full repository

Download the full repository
modelscope download --model Helsinki-NLP/opus-mt-de-en

Download a single file to a local folder (e.g. README.md into ./dir)

Download a single file to a local folder (e.g. README.md into ./dir)
modelscope download --model Helsinki-NLP/opus-mt-de-en README.md --local_dir ./dir

See the docs for more CLI options

SDK Download

SDK Download
# 模型下载
from modelscope import snapshot_download
model_dir = snapshot_download('Helsinki-NLP/opus-mt-de-en')

Git Download

Make sure git-lfs is installed first

Git Download
git lfs install
git clone https://www.modelscope.cn/Helsinki-NLP/opus-mt-de-en.git

To skip LFS large-file downloads, use:

Skip LFS
GIT_LFS_SKIP_SMUDGE=1 git clone https://www.modelscope.cn/Helsinki-NLP/opus-mt-de-en.git

ModelScope 模型页直接下载模型文件;无需将模型文件放在本站服务器。

Notebook Quickstart

Install the ModelScope library

Install the ModelScope library
pip install "modelscope[audio,cv,nlp,multi-modal,science]" -f https://modelscope.oss-cn-beijing.aliyuncs.com/releases/repo.html

Load the model and run inference

Load the model and run inference
from modelscope.pipelines import pipeline
from modelscope.utils.constant import Tasks

p = pipeline('text-generation', 'Helsinki-NLP/opus-mt-de-en')

Full Documentation

来源: HuggingFace

---
tags:

  • translation

license: apache-2.0
---

opus-mt-de-en

  • source languages: de
  • target languages: en
  • dataset: opus
  • model: transformer-align
  • pre-processing: normalization + SentencePiece

Benchmarks

| testset | BLEU | chr-F |
|-----------------------|-------|-------|
| newssyscomb2009.de.en | 29.4 | 0.557 |
| news-test2008.de.en | 27.8 | 0.548 |
| newstest2009.de.en | 26.8 | 0.543 |
| newstest2010.de.en | 30.2 | 0.584 |
| newstest2011.de.en | 27.4 | 0.556 |
| newstest2012.de.en | 29.1 | 0.569 |
| newstest2013.de.en | 32.1 | 0.583 |
| newstest2014-deen.de.en | 34.0 | 0.600 |
| newstest2015-ende.de.en | 34.2 | 0.599 |
| newstest2016-ende.de.en | 40.4 | 0.649 |
| newstest2017-ende.de.en | 35.7 | 0.610 |
| newstest2018-ende.de.en | 43.7 | 0.667 |
| newstest2019-deen.de.en | 40.1 | 0.642 |
| Tatoeba.de.en | 55.4 | 0.707 |

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