arXivHao Zhou, Tianhao Li, Zhijun Wang, Shuaijie She, Linjuan Wu, Hao-Ran Wei, Baosong Yang, Jiajun Chen, Shujian HuangMon, May 18, 2026, 1:59 AM PDT
score 16.9
Efficient multilingual LLMs without expensive retraining or alignment
Original: A Data-Efficient Path to Multilingual LLMs: Language Expansion via Post-training PARAM$Δ$ Integration into Upcycled MoE
Source: arxiv.org ↗
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