Preprint
Aug 2026
LLMs Get Smarter from Targeted Synthetic Multilingual Data
HOTFIXR: Hardness Optimized Training data For Improving X-Lingual Reasoning is a data generation framework that uses models to probe and learn a student model's multilingual weaknesses, and generates data to mitigate them that can improve multilingual performance.
Ishika Agarwal, Arkajyoti Charaborty, Tanner Sorensen et al.
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