Qwen-MT-Lumen at WMT2026: Instruction-Specialized Translation via Quality-Aware Training and On-Policy Distillation
Lumen, the open-source model, achieves performance comparable to leading proprietary systems in both translation quality and translation-instruction following, and under an absolute 1--5 LLM-judge rubric that evaluates translation-instruction following and translation quality separately.
Hao Wang, Yang-Yang Liu, Xiao-Hu Zhao et al.
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