Do LLMs Have Thinking Styles? REI-40 Experiment on 5 Frontier Models

We administered the REI-40 dual-processing personality inventory to 5 frontier LLMs. The results reveal distinct ’thinking style’ profiles: from neutral responders to rational enthusiasts.

January 24, 2026 · 5 min · rick

psyctl: An LLM Personality Steering Tool

Building an open-source tool that controls LLM personality using Steering Vectors.

January 24, 2026 · 1 min · rick

Sentence Reranking Using LLM Attention Maps

Leveraging what the LLM already knows. An experiment extracting document relevance signals from Attention Maps to rerank sentences, along with a survey of related papers.

September 7, 2025 · 5 min · rick