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Tencent Hunyuan Releases HY-MT 1.5 for Offline Translation in 33 Languages

Jan 22, 2026
GitHub

Tencent has released HY-MT 1.5, a powerful new open-source neural machine translation model capable of handling 33 languages with high fidelity, designed specifically for offline and local deployment.

The release includes two primary variants: an efficient 1.8B parameter model optimized for speed and capable of running on mobile devices, and a larger 7B parameter model designed for complex translation tasks requiring context awareness and terminology enforcement.

"The 1.8B model outperforms many larger open-source baselines and is efficient enough uniquely for edge device deployment."

This release is part of the Tencent Hunyuan project and aims to democratize high-quality translation tools for developers and researchers. The models are available now on GitHub and Hugging Face, supporting a wide array of languages and dialect variations.