Building Multilingual Bridges: Data Mixing as the Pillar of Generalization for In-Language Reasoning
Mehrnaz Mofakhami, Ananya Sahu, Alejandro R. Salamanca, et al.
Tiny Aya L2-Thinker achieves over 93% in-language reasoning across 60 languages via data mixing in SFT, without reasoning supervision in every target language.