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Arena
Arena is a community-powered AI evaluation platform where people compare frontier-model outputs and vote, generating human-preference data and public leaderboards.
San Francisco, United States
Description
Arena Intelligence, Inc. operates Arena, formerly LMArena and previously known as Chatbot Arena. Its platform measures real-world AI model performance through user comparisons, votes, leaderboards, and agentic evaluation.Historical Grant Funding
VC Funding
None
2025
2026
$0
$250M