This paper was presented at the Workshop on Reliable and Responsible Foundation Models at ICML 2025.
Large Language Models (LLMs) have demonstrated impressive generalization capabilities across various tasks, but their claim to practical relevance is still mired by concerns on their reliability. Recent works have proposed examining the activations produced by an LLM at inference time to assess whether its answer to a question is correct. Some works claim that a “geometry of truth” can be learned from examples, in the sense that the activations that generate correct answers can be distinguished…
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