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Multi-Step General Reasoning Without an LLM: A Structural-Mechanics Architecture Outperforms GPT-5.2 on a Seven-Family Reasoning Battery

A technical paper on structured multi-step reasoning, benchmark discipline, and what governed AI systems can learn from non-prompt-only evaluation methods.

Status
Published technical paper
Publication date
Author
Ken Morkaya

Paper summary

Abstract

This paper examines whether multi-step reasoning can be evaluated through a structured control architecture rather than prompt-only language-model behaviour. The public abstract focuses on reasoning-task design, benchmark discipline, verifier-mediated repair, and the implications for governed AI systems where traceability and stability matter.

Result in context

What was measured—and what the comparison does not establish

Can support and contradiction be judged outside the language model?

Measure

Exact judgement rate on the paper’s direct-comparison sub-battery

Comparison · 40 author-generated evidence-judgement cases

GPT-5.2 baseline
32/40 · 80%
Structural reference
40/40 · 100%
Scope
This comparison covers the paper’s 40-case direct evidence-judgement sub-battery. It is not an overall comparison of the systems across every reasoning task.
Study context
The paper reports a 20 percentage-point observed difference on the 40-case direct-judgement comparison, with one GPT-5.2 run per case.
Principal limitation
The taxonomy and battery were author-designed, not independent. One model and one run per case were tested, and model-version or prompt-format variance was not measured.

Citation

Ken Morkaya. (2026). Multi-Step General Reasoning Without an LLM: A Structural-Mechanics Architecture Outperforms GPT-5.2 on a Seven-Family Reasoning Battery. Newport Resonance. /research/multi-step-general-reasoning-without-an-llm-a-structural-mechanics-architecture-outperforms-gpt-5-2-on-a-seven-family-reasoning-battery.pdf