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

https://media.thenextweb.com/2026/06/arena-ai-leaderboard-100-million-revenue-evaluation.avif

TL;DR

Arena, the AI leaderboard born at UC Berkeley, hit 100 million dollars in annualized revenue eight months after launching its paid evaluation service.

Arena, the crowdsourced AI leaderboard that started as a UC Berkeley research project in 2023, has reached 100 million dollars in annualized revenue just eight months after launching its first commercial product. The platform is best known for letting users compare two anonymous AI model responses side by side and vote on which is better. More than 10 million of those evaluations have now been submitted.

The revenue comes from AI Evaluations, a paid service Arena introduced in September that gives model labs and enterprises detailed performance analytics drawn from its community of users. By December, the service had reached 30 million dollars in annualized revenue. It has more than tripled since then.

There is a caveat in the headline number. While Arena describes the figure...

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