Capable yet Parsimonious: Extracting and Characterizing Hidden Chain-of-Thought in Frontier Models
It is found that Astra exhibits token-efficient directed reasoning, selecting a correct trajectory earlier, while resolving elementary steps internally and externalizing only crucial reasoning, which provides a behavioral lens on frontier-model reasoning beyond benchmark scores.
Xiao-Yu Luo, Tao Ren, Wen-Rui Yu et al.
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