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Finnish to South Slavic languages translation model translate-tc-big-fi-zls

Open machine translation from Finnish into South Slavic languages, published by Windstorm Labs on Hugging Face. This model covers several target languages; see the snippet for the target token.

Download on Hugging FaceHow to run
Task
Translation: Finnish → South Slavic languages
Languages
Finnish fi, South Slavic languages zls
Lineage
OPUS-MT tc-big
Format
transformers (Marian), safetensors
Hugging Face
WindyTranslate/translate-tc-big-fi-zls
Last updated on HF
2026-08-04

Quality

Not yet scored. FLORES-200 has no test set for Finnish → South Slavic languages, so this pair is outside the screening run.

How to run

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

repo = "WindyTranslate/translate-tc-big-fi-zls"
tok = AutoTokenizer.from_pretrained(repo)
model = AutoModelForSeq2SeqLM.from_pretrained(repo)

# Several target languages: start each input with a target token such as >>xxx<<.
# The valid tokens are listed in the upstream model card.
batch = tok([">>xxx<< <Finnish 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
CC-BY-4.0
Upstream
Helsinki-NLP/opus-mt-tc-big-fi-zls
Upstream licence
CC-BY-4.0
Attribution
Based on OPUS-MT model Helsinki-NLP/opus-mt-tc-big-fi-zls by Helsinki-NLP (Language Technology Research Group, University of Helsinki). Licensed CC-BY-4.0.

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

NOTICE
This product uses the model WindyTranslate/translate-tc-big-fi-zls
(https://huggingface.co/WindyTranslate/translate-tc-big-fi-zls), published by Windstorm Labs (https://windstormlabs.com).
Based on OPUS-MT model Helsinki-NLP/opus-mt-tc-big-fi-zls by Helsinki-NLP (Language Technology Research Group, University of Helsinki). Licensed CC-BY-4.0.
Windstorm Labs modified the upstream weights; the model card describes what was changed.
Licensed under Creative Commons Attribution 4.0 International: https://creativecommons.org/licenses/by/4.0/

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

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