Arena
About
AI evaluation company, formerly LMArena, operating a human-judgment evaluation platform and commercial evaluation services for model labs and enterprises.
What They Offer
Commercial or operational services this company provides.
Agent evaluations
Products & Public Artifacts
Arena AI Evaluations
Tool · Commercial
Commercial evaluation service for model labs and enterprise AI teams.
Visit artifact →Arena Leaderboard
Leaderboard · Public
Public human-preference leaderboard for comparing frontier AI models.
Visit artifact →Technical Capabilities
Human / Expert Feedback
Only publicly documented capabilities are shown. Absence does not imply the capability is unavailable.
Focus Areas
EvaluationsHuman Data
Domains
Enterprise
Leadership
Wei-Lin Chiang
CTO and Co-Founder
Ion Stoica
Co-Founder
Anastasios Angelopoulos
CEO and Co-Founder