Field	Value
Upstream model	Helsinki-NLP/opus-mt-tc-big-en-pt
Upstream source revision	`9f2863d807ecf91a374bdbecb8d01e402e90622e`
Export tool/script	Weight mirror from upstream Marian safetensors (no conversion)
Quantization recipe	FP32 `model.safetensors` (Transformers Marian)

Precision and Packaging

Export tooling, precision, and quantization are recorded in the Source table above. This packaging mirror does not publish independent parity benchmarks; validate on your target execution provider before production use.

Files

File	Description
`model.safetensors`	Model weights
`config.json`	Marian model configuration
`generation_config.json`	Text generation configuration
`source.spm`	Source SentencePiece model
`target.spm`	Target SentencePiece model
`vocab.json`	Vocabulary
`tokenizer_config.json`	Tokenizer configuration
`special_tokens_map.json`	Special token mapping

Intended Use

Use this model for English-to-Portuguese machine translation with Transformers-compatible Marian tooling.

Training Data

The upstream model card states that training data is taken from OPUS.

Evaluation

The upstream model card reports self-reported BLEU scores for English-to-Portuguese translation:

Test Set	BLEU
`flores101-devtest`	50.4
`tatoeba-test-v2021-08-07`	49.6

Limitations

Evaluation scores are inherited from the upstream model card and are not independently verified here.
Translation quality can vary by domain and input style.
This repository does not document additional fine-tuning or conversion beyond the upstream source model files.

License

CC-BY-4.0, matching the upstream source model metadata.

tonythethompson/Opus-MT-En-PT

opus-mt-en-pt

Overview

Source