Artificial intelligence models are multiplying fast, and competition is stiff. With so many players crowding the space, which one will be the best — and who decides that? Arena, formerly LM Arena, has emerged as the de facto public leaderboard for frontier LLMs, influencing funding, launches, and PR cycles. In just seven months, the startup went from a UC Berkeley PhD research project to being valued at $1.7 billion.
Watch as Equity host Rebecca Bellan catches up with Arena co-founders Anastasios Angelopoulos and Wei-Lin Chiang about how their platform became the go-to leaderboard for frontier AI models, and how they’re trying to build a neutral benchmark even as companies like OpenAI, Google, and Anthropic back the project.
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Chapters:
00:00 Intro
03:00 How Arena's leaderboard works, and why it's different from static benchmarks
07:00 Reproducibility concerns and how to scale
08:45 Can Arena stay independent while taking money from the labs it ranks?
11:15 Diversity, fraud prevention, and abuse mitigation
18:15 Arena's "data moat"
19:20 Agent benchmarking and expert leaderboards
21:40 Open sourcing data
22:45 How do Arena's rankings shape AI development?
24:15 Outro
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