Clouâtre, Hugues

Ceiling Effects and Convergence: Null Results for Instruction Repetition in LLM-Agent Pipelines

2026 · Zenodo (CERN European Organization for Nuclear Research)

Context: Prompt repetition, the verbatim duplication of an input transforming <QUERY> into <QUERY><QUERY>, has been shown to improve accuracy for non-reasoning large language models on retrieval and multiple-choice benchmarks [Leviathan et al., 2025]. Objective: We …