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Open Source Model Profile · Helsinki-NLP

opus-mt-tc-big-en-it

opus-mt-tc-big-en-it is a Helsinki-NLP MarianMT translation model for English to Italian. Safetensors metadata reports about 232.14M parameters.

Publisher
Helsinki-NLP
Task
translation
Model type
marian
License
cc-by-4.0
Library
transformers
Publication status
Accepted · not indexed

Model overview

opus-mt-tc-big-en-it is published by Helsinki-NLP as a translation model for English-to-Italian text. The captured configuration identifies MarianMTModel with Safetensors metadata reporting 232,139,926 parameters. According to the model card, it is part of the OPUS-MT project and was originally trained with Marian NMT before conversion to PyTorch with the transformers library.

Recorded capabilities

English-to-Italian translation

The model card says the model translates from English (en) to Italian (it).

MarianMT architecture at 232M scale

The captured configuration identifies MarianMTModel and marian, with Safetensors metadata reporting 232,139,926 parameters.

OPUS-MT training lineage

According to the model card, it belongs to the OPUS-MT project, was originally trained with Marian NMT, converted to PyTorch via transformers, and lists a transformer-big build on opusTCv20210807+bt data with SentencePiece tokenization.

Use cases in the source record

  • English-to-Italian translation workflows using the model's documented translation direction.
  • OPUS-MT research and transformers text2text-generation experiments that build on the documented Marian NMT lineage.

Limitations and unknowns

  • No evaluation results were extracted from this record.
  • No context-window value was extracted from this record.
  • Provider state is historical snapshot data and should be refreshed before being presented as current availability.
  • Training and release details come from the publisher model card and have not been independently verified by Ethen.

Source and provenance

Source: Helsinki-NLP/opus-mt-tc-big-en-it

Captured: Unknown. Processed: 2026-09-07T19:34:31.340944+00:00.

opus-mt-tc-big-en-it Neural machine translation model for translating from English (en) to Italian (it). This model is part of the OPUS-MT project , an effort to make neural machine translation models widely available and accessible for many languages in the world. All models are originally trained using the amazing framework of Marian NMT , an efficient NMT implementation written in pure C++. The models have been converted to pyTorch using the transformers library by huggingface. Training data is taken from OPUS and training pipelines use the procedures of OPUS-MT-train . Publications: OPUS-MT – Building open translation services f…

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