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- LMArena Raises $150 Million at a $1.7 Billion Valuation
LMArena Raises $150 Million at a $1.7 Billion Valuation
![]() LMArena Raises $150 Million at a $1.7 Billion ValuationLMArena is a premier community-driven platform dedicated to redefining how the world measures and benchmarks the progress of Artificial Intelligence. By leveraging large-scale human evaluation and crowdsourced data, the platform provides the industry's most trusted rankings for Large Language Models. Its flagship "Arena" environment allows for side-by-side, blind comparisons of AI models, ensuring a transparent, merit-based leaderboard that moves beyond traditional static benchmarks to capture the true nuances of model performance and human preference. LMArena has raised $150 million in its latest funding round, bringing its post-money valuation to $1.7 billion. The round was led by Felicis and UC Investments, with participation from Andreessen Horowitz, The House Fund, LDVP, Kleiner Perkins, Lightspeed Venture Partners, and Laude Ventures. LMArena, headquartered in San Francisco, California, United States, was founded in 2025 by Anastasios Angelopoulos and Wei-Lin Chiang. "We cannot deploy AI responsibly without knowing how it delivers value to humans," said Anastasios Angelopoulos, co-founder and CEO of LMArena. "To measure the real utility of AI, we need to put it in the hands of real users. LMArena does exactly this, leveraging feedback from tens of millions of consumers and professionals to set the North Star of the AI industry. Our evaluations use a transparent, open-source methodology to make these insights public for everyone. This funding accelerates the scientific work and community insights that make live evaluation from real users the gold standard for assessing AI in practice." |

