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Morning Edition · Tuesday, June 23, 2026
Paper Finds Tree-of-Thought Reasoning Hits a Ceiling You Cannot Buy Past
A study of tree-of-thought search reports that adding more compute budget yields diminishing and sometimes flat returns, a check on the assumption that more search always means better reasoning.
A preprint on tree-of-thought reasoning characterizes its inelasticity, the question of what happens when the search is given more compute. Tree-of-thought (ToT) methods improve language-model reasoning by exploring multiple solution branch…
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