SIGNALAI·May 28, 2026, 4:00 AMSignal75Short term

Integrated and Cross-Architecture Interpretation of LLM Reasoning

Source: arXiv cs.AI

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Integrated and Cross-Architecture Interpretation of LLM Reasoning

arXiv:2605.28006v1 Announce Type: cross Abstract: Understanding how LLMs reason is hindered by a practical asymmetry: while their generated outputs are observable, the underlying reasoning patterns remain opaque. Relying on single probes, such as Mutual Information Peak (MIP) or Deep-Thinking Ratio (DTR), risks underestimating the genuine inferential structure. To response this deficiency, we present an Integrated, cross-Architecture Reasoning (IAR) framework, designed to provide a unified approach to LLM reasoning interpretability. Specifically, we first propose to use bandwidth-calibrated MI

Why this matters
Why now

The rapid advancement and widespread deployment of large language models are creating an urgent need for greater transparency and interpretability of their reasoning processes.

Why it’s important

Understanding LLM reasoning is crucial for trust, regulation, and improving model capabilities, moving beyond opaque outputs to genuinely comprehend their inferential structures.

What changes

This framework offers a more unified and robust method for interpreting LLM reasoning, potentially leading to more reliable and controllable AI systems.

Winners
  • · AI developers
  • · AI researchers
  • · Regulators
  • · Ethical AI practitioners
Losers
  • · Proponents of opaque AI
  • · Black-box model industries
Second-order effects
Direct

Improved interpretability tools facilitate better debugging and auditing of complex LLMs.

Second

Increased trust in AI systems could accelerate adoption in sensitive or critical applications.

Third

Standardized interpretability frameworks may become a regulatory requirement for AI deployment, fostering responsible AI development.

Editorial confidence: 90 / 100 · Structural impact: 55 / 100
Original report

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Read at arXiv cs.AI
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