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The relationship between reasoning and performance in large language models-o3 (mini) thinks harder, not longer.

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Title: The relationship between reasoning and performance in large language models-o3 (mini) thinks harder, not longer.
Authors: Ballon M; Data Analytics Lab, Vrije Universiteit Brussel, Brussel, 1050, Belgium. marthe.ballon@vub.be., Algaba A; Data Analytics Lab, Vrije Universiteit Brussel, Brussel, 1050, Belgium., Ginis V; Data Analytics Lab, Vrije Universiteit Brussel, Brussel, 1050, Belgium.; School of Engineering and Applied Sciences, Harvard University, Cambridge, MA, 02138, USA.
Source: Scientific reports [Sci Rep] 2026 May 06; Vol. 16 (1). Date of Electronic Publication: 2026 May 06.
Publication Type: Journal Article
Journal Info: Publisher: Nature Publishing Group Country of Publication: England NLM ID: 101563288 Publication Model: Electronic Cited Medium: Internet ISSN: 2045-2322 (Electronic) Linking ISSN: 20452322 NLM ISO Abbreviation: Sci Rep Subsets: MEDLINE
Database: MEDLINE Ultimate
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  Data: <searchLink fieldCode="AU" term="%22Ballon+M%22">Ballon M</searchLink>; Data Analytics Lab, Vrije Universiteit Brussel, Brussel, 1050, Belgium. marthe.ballon@vub.be.<br /><searchLink fieldCode="AU" term="%22Algaba+A%22">Algaba A</searchLink>; Data Analytics Lab, Vrije Universiteit Brussel, Brussel, 1050, Belgium.<br /><searchLink fieldCode="AU" term="%22Ginis+V%22">Ginis V</searchLink>; Data Analytics Lab, Vrije Universiteit Brussel, Brussel, 1050, Belgium.; School of Engineering and Applied Sciences, Harvard University, Cambridge, MA, 02138, USA.
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  Data: <searchLink fieldCode="JN" term="%22101563288%22">Scientific reports</searchLink> [Sci Rep] 2026 May 06; Vol. 16 (1). <i>Date of Electronic Publication: </i>2026 May 06.
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        Value: 10.1038/s41598-026-50923-2
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      – TitleFull: The relationship between reasoning and performance in large language models-o3 (mini) thinks harder, not longer.
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              Text: 2026 May 06
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