Arena raises $200 million at a $3.1 billion valuation

Arena raises $200 million at a $3.1 billion valuation

N
News Editor
2026-10-08 16:55:02
Arena, an AI model evaluation platform, has raised a new $200 million round at a $3.1 billion valuation, according to Bloomberg. The financing was led by Lightspeed Venture Partners and Khosla Ventures, with participation from Salesforce Ventures and Dell Technologies Capital. Arena traces its roots to Chatbot Arena, a research project at the University of California, Berkeley, and is widely known for its public rankings of large language models. Bloomberg also reported that the company reached $100 million in annualized revenue in June this year. The deal highlights investor interest in infrastructure and benchmarking platforms tied to the fast-growing AI model market, while underscoring Arena’s transition from an academic research effort into a venture-backed company with meaningful revenue scale.

Arena, an AI model evaluation platform, has completed a new $200 million funding round at a $3.1 billion valuation, according to Bloomberg.

Lightspeed Venture Partners and Khosla Ventures led the round. Salesforce Ventures and Dell Technologies Capital also participated.

Arena grew out of Chatbot Arena, a research project at the University of California, Berkeley. The platform is known for publishing public rankings of large language models. Bloomberg reported that Arena reached $100 million in annualized revenue in June this year.

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