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arXiv:2503.09211cs.LG

Why LLMs Cannot Think and How to Fix It

Marius Jahrens, Thomas Martinetz

Abstract

This paper elucidates that current state-of-the-art Large Language Models (LLMs) are fundamentally incapable of making decisions or developing "thoughts" within the feature space due to their architectural constraints. We establish a definition of "thought" that encompasses traditional understandings of that term and adapt it for application to LLMs. We demonstrate that the architectural design and language modeling training methodology of contemporary LLMs inherently preclude them from engaging in genuine thought processes. Our primary focus is on this theoretical realization rather than practical insights derived from experimental data. Finally, we propose solutions to enable thought processes within the feature space and discuss the broader implications of these architectural modifications.

arXiv comments
Original conference submission for neurips 2024
Journal reference
DOI
Subjects
cs.LGMachine Learning cs.CLComputation and Language

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Linked by 2 identifiable commenters in 2 comments across 1 thread, from Jun 2025 to Jun 2025.

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    • They don’t ”think”. https://arxiv.org/abs/2503.09211 They don’t ”reason”. https://ml-site.cdn-apple.com/papers/the-illusion-of-thinkin... They don’t even always output their internal state accurately. https://arxiv.org/abs/2505.05410

      cluckindanView on HNParent context

    • > https://arxiv.org/abs/2503.09211 I am thoroughly unimpressed by this paper. It sets up a vague strawman definition of "thinking" that I'm not aware of anyone using (and makes no claim it applies to humans) and then knocks down the strawman. It also leans way too heavy on…

      LordDragonfangView on HNParent context

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