Arena, the AI leaderboard everyone uses, is now a $100M business | TechCrunch

Arena, the AI leaderboard everyone uses, just became a 100 million dollar business

Arena hit $100M ARR just 8 months post-launch of its paid Evaluations service, with 10+ million community model comparisons driving growth. The UC Berkeley leaderboard became the de facto standard for OpenAI, Anthropic and Google, proving evaluation—competing with Scale AI in a $1B+ market—rivals AI development in profitability.