evaluation AI News & Updates

LM Arena Secures $100M Funding at $600M Valuation for AI Model Benchmarking Platform

LM Arena, the crowdsourced AI benchmarking organization that major AI labs use to test their models, raised $100 million in seed funding at a $600 million valuation. The round was led by Andreessen Horowitz and UC Investments, with participation from other major VCs. Founded in 2023 by UC Berkeley researchers, LM Arena has become central to AI industry evaluation despite recent accusations of helping labs game leaderboards.