About
Arena is a community-powered platform that evaluates and benchmarks artificial intelligence models, including large language models (LLMs), image, and code models. It utilizes real-world human preferences and comparisons to create an official leaderboard and features a "Battle Mode" for interactive model performance comparison.
Funding history
Series A$150.0M
Jan 6, 2026
FelicisUC InvestmentsAndreessen HorowitzThe House FundLDVPKleiner PerkinsLightspeed Venture PartnersLaude Ventures
Seed$100.0M
May 21, 2025
Andreessen HorowitzUC InvestmentsLightspeed Venture PartnersKleiner PerkinsFelicis
Quick stats
- Total raised
- $250.0M
- Last round
- Series A
- Round date
- Jan 6, 2026
- Total rounds
- 2
Founders
Anastasios Angelopoulos, Wei-Lin Chiang, Ion Stoica