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opus-mt-en-es
inference4j/opus-mt-en-es
opus-mt-en-es is a translation model from inference4j. Use it when you need text moved from one language to another. It is set up for onnx. The card lists the license as apache-2.0.
ONNX export of Helsinki-NLP/opus-mt-en-es with encoder-decoder architecture and KV cache support.
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At a glance
- Task
- Translation
- Library
- onnx
- License
- apache-2.0
- Model type
- marian
- Access
- Public
- Created
- Feb 28, 2026
- Updated
- Mar 1, 2026
- SHA
- a88c4055
Try a prompt
Model card
From the Hugging Face model README
MarianMT English→Spanish — ONNX
ONNX export of Helsinki-NLP/opus-mt-en-es with encoder-decoder architecture and KV cache support.
Trained on the OPUS parallel corpus for English to Spanish translation.
Converted for use with inference4j, an inference-only AI library for Java.
Original Source
- Repository: Helsinki-NLP/opus-mt-en-es
- License: Apache 2.0
Usage with inference4j
try (var translator = MarianTranslator.builder()
.modelId("inference4j/opus-mt-en-es").build()) {
System.out.println(translator.translate("The weather is beautiful today."));
}
Model Details
| Property | Value |
|---|---|
| Architecture | MarianMT encoder-decoder |
| Language pair | English → Spanish |
| Training data | OPUS |
| Tokenizer | SentencePiece |
| Original framework | PyTorch (transformers) |
| Export method | Hugging Face Optimum (encoder-decoder with KV cache) |
License
This model is licensed under the Apache License 2.0. Original model by Helsinki-NLP.
- Task
- Translation
- Library
- onnx
- Type
- marian
- License
- apache-2.0
- Created
- Feb 28, 2026
- Updated
- Mar 1, 2026