Preprint
Aug 2026
Skill Issue: Are Skills Language-Invariant in LLMs?
This work quantifies cross-lingual skill inconsistency orthogonally from knowledge and general benchmark performance via multilingual self-play, and shows that skill discrepancies are a measurable major roadblock in the development of truly multilingual models.
Bobby Cheng, Adam Gaber, Zhengzhe Liu et al.
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