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Swedish to Bemba translation model translate-sv-bem

Open machine translation from Swedish into Bemba, published by Windstorm Labs on Hugging Face.

Task
Translation: Swedish → Bemba
Languages
Swedish sv, Bemba bem
Lineage
OPUS-MT
Format
transformers (Marian), safetensors
Hugging Face
WindyTranslate/translate-sv-bem
Last updated on HF
2026-08-04

Quality

BenchmarkchrF++BLEUBandMeasured
FLORES-200 dev, 48 sentences26.494.95Limited2026-08-04

A screening score on 48 sentences, not a publication result. Bands: Excellent ≥ 60, Good 45–60, Usable 30–45, Limited 15–30, Not recommended < 15. Method and caveats.

Recorded output (sentence 1, first 110 characters)

Source
I måndags meddelade forskare från Stanford University School of Medicine att man tagit fram ett nytt diagnosti…
Reference
Pali Cimo, abasayanshi ukufuma pe sukulu lya Stanford University School of Medicine babilishe ukupangwa kwa ka…
This model
Pali Cimo, abafwailisha pa fintu aba ku Stanford University School of Medicine batile, pa kuti insandesande sh

How to run

Shell
pip install transformers sentencepiece torch
Python
from transformers import AutoTokenizer, AutoModelForSeq2SeqLM

repo = "WindyTranslate/translate-sv-bem"
tok = AutoTokenizer.from_pretrained(repo)
model = AutoModelForSeq2SeqLM.from_pretrained(repo)

batch = tok(["<Swedish text>"], return_tensors="pt", padding=True)
print(tok.batch_decode(model.generate(**batch), skip_special_tokens=True)[0])

Tested: Pattern run on 2026-10-01 against WindyTranslate/translate-tc-big-en-fr with transformers 4.57.6 and 5.18.0 on CPU ("Où se trouve la gare ?"); multi-target token prefix run against translate-tc-bible-big-mul-deu_eng_nld. Not run on every model individually.

Licence and attribution

Licence
Apache-2.0
Upstream
Helsinki-NLP/opus-mt-sv-bem
Upstream licence
Apache-2.0
Attribution
Based on OPUS-MT model Helsinki-NLP/opus-mt-sv-bem by Helsinki-NLP (Language Technology Research Group, University of Helsinki). Licensed Apache-2.0.

Copy this into your NOTICE file (or equivalent) when you ship the model:

NOTICE
This product uses the model WindyTranslate/translate-sv-bem
(https://huggingface.co/WindyTranslate/translate-sv-bem), published by Windstorm Labs (https://windstormlabs.com).
Based on OPUS-MT model Helsinki-NLP/opus-mt-sv-bem by Helsinki-NLP (Language Technology Research Group, University of Helsinki). Licensed Apache-2.0.
Windstorm Labs modified the upstream weights; the model card describes what was changed.
Licensed under the Apache License, Version 2.0: https://www.apache.org/licenses/LICENSE-2.0

This is a convenience, not legal advice. See Licensing.

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