腾讯开源了Hy-MT1.5-1.8B-1.25bit翻译模型，其参数量为18亿，经量化后仅440MB，可在手机上完全离线运行。该模型支持33种语言、5种方言及1056个翻译方向，包括藏语、蒙古语等少数语言。在标准测试中，其性能媲美商业翻译API和2350亿参数的大模型。通过量化至1.25比特，模型内存占用从FP16格式的3.3GB大幅降低，比之前的1.67比特方法体积缩小25%、速度提升约10%，且无精度损失。该模型已在国际机器翻译竞赛中获得30项第一，并部署于腾讯多个产品中。
440MB的模型能在手机上跑33种语言翻译，还宣称比谷歌翻译强，这个量化技术让离线翻译不再是‘能看不能用’，出差党可以试试看。
We're open-sourcing Hy-MT1.5-1.8B-1.25bit — a 440MB translation model that runs fully offline on your phone, supports 33 languages, and outperforms Google Translate.
At 1.8B parameters, it matches commercial translation APIs and 235B-scale models on standard benchmarks. By quantizing to 1.25-bit, memory drops from 3.3GB (FP16) to 440MB — 25% smaller and ~10% faster than prior 1.67-bit approaches, with no accuracy loss.
Covers 33 languages, 5 dialects, and 1,056 translation directions including minority languages like Tibetan and Mongolian.
Our translation model has won 30 first-place rankings in international MT competitions and is already deployed across multiple Tencent products.🏆
📲Demo APK (Android): https://huggingface.co/AngelSlim/Hy-MT1.5-1.8B-1.25bit-GGUF/resolve/main/Hy-MT-demo.apk
🤗Hugging Face:: https://huggingface.co/AngelSlim/Hy-MT1.5-1.8B-1.25bit
🔗GitHub: https://github.com/tencent/AngelSlim
📄Paper: https://arxiv.org/abs/2601.07892
来源：Tencent Hy · x.com