A lightweight, zero-configuration neural machine translator for .NET. Supports OPUS-MT models for high-quality bilingual translation. Start small. Download what you need. Run locally.
Get Started
$ dotnet add package LMSupply.TranslatorReadme
LMSupply.Translator
Local neural machine translation for .NET with automatic model downloading.
Features
- Zero-config: Models download automatically from HuggingFace
- GPU Acceleration: CUDA, DirectML (Windows), CoreML (macOS)
- Apache-2.0 Licensed: OPUS-MT models for commercial use
- Asian Languages: Korean, Japanese, Chinese to/from English
Quick Start
using LMSupply.Translator;
// Load a translation model (Korean to English)
await using var translator = await LocalTranslator.LoadAsync("ko-en");
// Translate text
var result = await translator.TranslateAsync("안녕하세요, 반갑습니다.");
Console.WriteLine(result.TranslatedText);
// Output: "Hello, nice to meet you."
Console.WriteLine($"{result.SourceLanguage} → {result.TargetLanguage}");
Available Models
| Alias | Direction | Model | BLEU | Description |
|---|---|---|---|---|
default | Ko → En | OPUS-MT | 35.5 | Default |
ko-en | Ko → En | OPUS-MT | 35.5 | Korean to English |
en-ko | En → Ko | OPUS-MT | 28.0 | English to Korean |
ja-en | Ja → En | OPUS-MT | 32.0 | Japanese to English |
zh-en | Zh → En | OPUS-MT | 30.5 | Chinese to English |
GPU Acceleration
# NVIDIA GPU
dotnet add package Microsoft.ML.OnnxRuntime.Gpu
# Windows (AMD/Intel/NVIDIA)
dotnet add package Microsoft.ML.OnnxRuntime.DirectML