Reply to Vankov et al.: Reasoning traces are linked to accuracy and capture key dimensions of problem complexity

A Andrea Gregor de Varda (Department of Brain and Cognitive Sciences, Massachusetts Institute of Technology) F Ferdinando Pio D’Elia (Center for Language Technology, University of Copenhagen) H Hope Kean (Department of Brain and Cognitive Sciences, Massachusetts Institute of Technology) A Andrew Lampinen (Google DeepMind, Mountain View) E Evelina Fedorenko (Brain and Cognitive Sciences Department, Massachusetts Institute of Technology)

Article Details

Volume / Issue Vol. 123, Issue 12
Published March 24, 2026
ISSN 0027-8424
Publisher National Academy of Sciences

Authors (5)

A

Andrea Gregor de Varda

Department of Brain and Cognitive Sciences, Massachusetts Institute of Technology

F

Ferdinando Pio D’Elia

Center for Language Technology, University of Copenhagen

H

Hope Kean

Department of Brain and Cognitive Sciences, Massachusetts Institute of Technology

A

Andrew Lampinen

Google DeepMind, Mountain View

E

Evelina Fedorenko

Brain and Cognitive Sciences Department, Massachusetts Institute of Technology