Arena AI
LMArena is a platform for evaluating AI models' performance in real-world scenarios, used by millions for transparent and rigorous model assessments. The company is focused on advancing AI reliability and impact through community-driven insights and industry-leading evaluations.
LMArena is an innovative platform designed for evaluating AI through human preferences. It allows users to compare various AI models, gather insights, and share their feedback to enhance AI development and research. The platform features a public leaderboard, providing a competitive edge for the best AI models based on user interactions and performance assessments. LMArena serves as a comprehensive resource for those looking to explore and engage with advanced AI technologies.
Headquarters
San Francisco, CA
Company Size
201-500 employees
Founded
2018
Industry
Technology
Glassdoor Rating
4.2 / 5
Sarah Johnson
Chief Executive Officer
Michael Chen
Chief Technology Officer
Emily Williams
VP of Engineering
David Rodriguez
VP of Product
Jessica Thompson
Chief Financial Officer
Andrew Park
VP of Sales
View leadership team, funding history,
and employee contacts for Arena AI.
AI evaluation startup LMArena raises $150M at $1.7B valuation
Jan 6, 2026