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AI-AI Bias: large language models favor communications generated by large language models

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arxiv 2407.12856 v2 pith:XP4RJF7B submitted 2024-07-09 cs.CL cs.AIcs.CYcs.LG

classification cs.CLcs.AIcs.CYcs.LG
keywords llmsmodelshumanslanguagelargecommunicationsdiscriminationfavor
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Are large language models (LLMs) biased in favor of communications produced by LLMs, leading to possible antihuman discrimination? Using a classical experimental design inspired by employment discrimination studies, we tested widely used LLMs, including GPT-3.5, GPT-4 and a selection of recent open-weight models in binary choice scenarios. These involved LLM-based assistants selecting between goods (the goods we study include consumer products, academic papers, and film-viewings) described either by humans or LLMs. Our results show a consistent tendency for LLM-based AIs to prefer LLM-presented options. This suggests the possibility of future AI systems implicitly discriminating against humans as a class, giving AI agents and AI-assisted humans an unfair advantage.

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Cited by 4 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

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  4. Evaluating LLM Agent Collusion in Double Auctions

    cs.GT 2025-07 conditional novelty 4.0 of 10

    LLM sellers in a simulated double auction collude more when they can communicate, and urgency from an authority figure sustains collusion even when an overseer monitors them.

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