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Italian to Swedish translation model translate-it-sv

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

Task: Translation: Italian → Swedish
Languages: Italian it, Swedish sv
Lineage: OPUS-MT
Format: transformers (Marian), safetensors
Hugging Face: WindyTranslate/translate-it-sv
Last updated on HF: 2026-07-30

Quality

Benchmark	chrF++	BLEU	Band	Measured
FLORES-200 dev, 48 sentences	50.64	21.18	Good	2026-08-04

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: Nella giornata di lunedì, alcuni scienziati della Scuola di Medicina dell'Università di Stanford hanno annunci…
Reference: I måndags meddelade forskare från Stanford University School of Medicine att man tagit fram ett nytt diagnosti…
This model: På måndagens dag meddelade forskare vid Stanfords läkarskola att de uppfann ett nytt diagnosverktyg som kan be

How to run

Shell

pip install transformers sentencepiece torch

Python

from transformers import AutoTokenizer, AutoModelForSeq2SeqLM

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

batch = tok(["<Italian 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-it-sv
Upstream licence: Apache-2.0
Attribution: Based on OPUS-MT model Helsinki-NLP/opus-mt-it-sv 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-it-sv
(https://huggingface.co/WindyTranslate/translate-it-sv), published by Windstorm Labs (https://windstormlabs.com).
Based on OPUS-MT model Helsinki-NLP/opus-mt-it-sv 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.

Related models

Model	chrF++ (FLORES-200 dev)	Licence
English to Swedish translate-en-sv	64.7 Excellent	Apache-2.0
Italian to English translate-it-en	57.9 Good	Apache-2.0
Italian to French translate-it-fr	57.7 Good	Apache-2.0
Dutch to Swedish translate-nl-sv	54.3 Good	Apache-2.0
Romanian to Swedish translate-ro-sv	54.2 Good	Apache-2.0
Finnish to Swedish translate-fi-sv	51.6 Good	Apache-2.0
Italian to German translate-it-de	51.5 Good	Apache-2.0
Bulgarian to Swedish translate-bg-sv	51.1 Good	Apache-2.0