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LM Arena Accused of Favoring Top AI Labs in Benchmark Manipulation

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LM Arena Accused of Favoring Top AI Labs in Benchmark Manipulation

A new study led by AI labs Cohere, Stanford, MIT, and Ai2 raises serious concerns about LM Arena’s practices surrounding its Chatbot Arena benchmark. The paper claims that LM Arena, a crowdsourced AI benchmark platform, allowed leading AI companies like Meta, OpenAI, Google, and Amazon to privately test multiple AI models, selectively withholding the results of lower-performing variants. This preferential treatment allegedly helped these companies secure top spots on the platform’s leaderboard, providing them with an unfair advantage over rivals. Image Credits:Andriy Onufriyenko / Getty Images What is Chatbot Arena, and how does it work? Created as an academic research project at UC Berkeley in 2023, Chatbot Arena serves as a competitive platform where AI models are tested by users who choose the best responses between two competing models. This format aims to provide an unbiased evaluation of AI performance, with a leaderboard ranking models based on user votes. Ho…

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