Tencent's HunYuan team has released an open-source translation model, Hy-MT1.5-1.8B-1.25bit, which compresses a 1.8-billion-parameter model into a 440MB package, enabling offline use on smartphones. This model supports 33 languages and 1,056 translation directions, including major languages like Chinese, English, and French, as well as minority languages such as Tibetan and Mongolian. The compression utilizes Tencent's Sherry technology, which has been recognized by the ACL 2026 conference. The model, which can operate continuously in the background on mobile devices, reportedly surpasses Google Translate in benchmarks and rivals the performance of much larger models. Tencent has also released a 2-bit version with nearly lossless accuracy. The model's weights, code, and technical report are available on Hugging Face and ModelScope, with an Android APK ready for testing and an iOS version forthcoming.