Repetitions are not all alike: distinct mechanisms sustain repetition in language models

arXiv — cs.LGWednesday, November 5, 2025 at 5:00:00 AM

Repetitions are not all alike: distinct mechanisms sustain repetition in language models

Recent research published on arXiv addresses the phenomenon of repetitive loops in large language models (LLMs), where these models often generate identical sequences of words. The study investigates whether these repetition patterns arise from distinct underlying mechanisms rather than a single cause. Furthermore, it examines how these mechanisms evolve throughout the training process of the models. This exploration sheds light on the complexity behind repetition in LLM outputs, suggesting that multiple factors contribute to this behavior. Understanding these mechanisms is crucial for improving the performance and reliability of language models. The findings contribute to ongoing efforts to refine LLMs by identifying and mitigating undesirable repetitive outputs. This research adds depth to the broader discourse on language model behavior and training dynamics.

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