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Baltic languages to East Slavic languages translation model translate-tc-base-bat-zle

Open machine translation from Baltic languages into East 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 Face How to run

Task: Translation: Baltic languages → East Slavic languages
Languages: Baltic languages bat, East Slavic languages zle
Lineage: OPUS-MT tc-base
Format: transformers (Marian), safetensors
Hugging Face: WindyTranslate/translate-tc-base-bat-zle
Last updated on HF: 2026-08-04

Quality

Not yet scored. FLORES-200 has no test set for Baltic languages → East 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-base-bat-zle"
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<< <Baltic languages 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-base-bat-zle
Upstream licence: CC-BY-4.0
Attribution: Based on OPUS-MT model Helsinki-NLP/opus-mt-tc-base-bat-zle 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-base-bat-zle
(https://huggingface.co/WindyTranslate/translate-tc-base-bat-zle), published by Windstorm Labs (https://windstormlabs.com).
Based on OPUS-MT model Helsinki-NLP/opus-mt-tc-base-bat-zle 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.

Related models

Model	chrF++ (FLORES-200 dev)	Licence
East Slavic languages to Baltic languages translate-tc-base-zle-bat	not in FLORES-200	CC-BY-4.0
Baltic languages to English translate-bat-en	not in FLORES-200	Apache-2.0
English to East Slavic languages translate-en-zle	not in FLORES-200	Apache-2.0
Baltic languages to German, English, French, Portuguese and Spanish translate-tc-bible-big-bat-deu_eng_fra_por_spa	not in FLORES-200	Apache-2.0
Baltic languages to German, English and Dutch translate-tc-bible-big-bat-deu_eng_nld	not in FLORES-200	Apache-2.0
Baltic languages to English translate-tc-bible-big-bat-en	not in FLORES-200	Apache-2.0
German to East Slavic languages translate-tc-big-de-zle	not in FLORES-200	CC-BY-4.0
English to East Slavic languages translate-tc-big-en-zle	not in FLORES-200	CC-BY-4.0