AI RESEARCH
The Illusion of Insight in Reasoning Models
arXiv CS.CL
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ArXi:2601.00514v2 Announce Type: replace-cross Do reasoning models have "Aha!" moments? Prior work suggests that models like DeepSeek-R1-Zero undergo sudden mid-trace realizations that lead to accurate outputs, implying an intrinsic capacity for self-correction. Yet, it remains unclear whether such intrinsic shifts in reasoning strategy actually improve performance. Here, we study mid-reasoning shifts and instrument