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TopicsMachine Learning Latent Knowledge in Language Models Mechanistic Interpretability

API-only model diffing cannot surface behavioral differences that do not manifest in model outputs.

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This highlights an important limitation of API-only model diffing: behavioral differences that do not manifest in model outputs cannot be surfaced regardless of method.

Simple LLM Baselines are Competitive for Model Diffingpreprintextraction 0.65

Kempf, Elias et al. · arXiv.org · Feb 10, 2026 · original

Following the failure to detect the hidden gender assumption; authors suggest it plausibly could be found with model-internal access.

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Created by extractor · Nov 13, 2026. Every judgment on this page is accompanied by a reasoning trace.