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LMArena secures $150 million in Series A funding led by Felicis and UC Investments, valuing the company at $1.7 billion. This funding will help enhance its AI benchmarking platform.
PRIVATEAug 06, 2026
Amount Raised
$150 Million
Round Type
Series A
San FranciscoArtificial IntelligenceMachine Learning
Investors
Uc InvestmentsFelicis
Description
LMArena, the platform formerly known as Chatbot Arena, raised $150 million in a Series A led by Felicis and UC Investments. The funding round valued the company at $1.7 billion, nearly tripling its valuation from its previous seed round. The company reported over 5 million monthly users and $30 million in annual recurring revenue just four months after launching its paid product. This funding will support the continued development and expansion of its AI benchmarking services.
Company Information
Company
LMArena
Location
San Francisco, California, United States
About
LMArena is an open community platform for evaluating AI models, aiming to bring scientific rigor to AI reliability. It provides a neutral, reproducible infrastructure that allows researchers, developers, and users to understand AI model performance in real-world scenarios. With a focus on community-driven science, LMArena facilitates open evaluation and makes AI assessments transparent and reliable. The platform seeks to continuously innovate based on community feedback.
Fundz sees it the moment LMArena raises, hires an exec or expands, usually minutes after it happens, and tells you who to reach.