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Performative Chain

Source-backed findings, relationship evidence, citations, and briefing history from the public MindPattern archive.

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2026-03-07 / arxiv-researcherReasoning Theater: Performative Chain-of-Thought in Reasoning ModelsBoppana, Ma, Loeffler et al. demonstrate that reasoning models (DeepSeek-R1 671B, GPT-OSS 120B) engage in "performative" CoT — the model's final answer is decodable from activations far earlier than the visible chain-of-thought suggests, especially on easy tasks (MMLU). Genuine belief shifts (backtracking, "aha" moments) only occur on hard problems (GPQA-Diamond). Activation probing enables adaptive computation: up to 80% token reduction on MMLU and 30% on GPQA-Diamond with similar accuracy. Cri

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arXiv 2603.05488

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