LM Arena

LM Arena is a crowdsourced benchmarking project that AI labs use to test and market their AI models. It partners with companies like OpenAI, Google, and Anthropic to make flagship models available for community evaluation. The organization, primarily run by UC Berkeley-affiliated researchers, recently secured seed funding to support its work.

Funding Round: Seed

Funding Amount: $100M

Date: 21-May-2025

Investors: Andreessen Horowitz (a16z), UC Investments, Lightspeed Venture Partners, Felicis Ventures, Kleiner Perkins

Markets: AI, Artificial Intelligence (AI), Communities, Machine Learning, Product Research

HQ: San Francisco, California, United States

Founded: 2025

Website: https://lmarena.ai/

LinkedIn: https://www.linkedin.com/company/lmarena

Twitter: https://twitter.com/lmarena_ai

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Crunchbase: https://www.crunchbase.com/organization/lmarena

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