LMSYS researcher Anastasios Angelopoulos explains how the team adjusts model scores to remove the confounding effects of markdown and formatting styles.
Assertion Not checkable as stated
Arena's anonymous Nano Banana test moved Google's stock and product roadmap
“I mean, that moment alone changed Google's like roadmap. Market share. Seriously. I mean, Google stock, billions of dollars are moving because of Nano.”
Insight
Angelopoulos: Static benchmarks are intrinsically unable to evaluate generative models
“Static benchmarks are intrinsically, to some extent, unable to measure generative model performance. And the reason is because you cannot Pre-annotate all the outputs of a generative model. You change the model. It's like the distribution of your data is chang…”
Opinion
Arena's organic user prompts provide realism that Artificial Analysis lacks
“They have arenas, but the arenas are not based on organic usage. Like the thing that distinguishes our platform versus theirs is that the users are actually inputting their own use case. They're actually asking their own question. And that gives a level of rea…”
Assertion Supported
Arena sampled open-source models at 60/40, debunking Leaderboard Illusion paper
“But, you know, there, for example said that we were, that we only sampled, like, nine percent open source models and, like, you know, 60%, like, closed source models, and this created a gap between open and closed source. But in reality, we're actually really …”
Disclosure
Arena's public leaderboard will never adopt Gartner-style pay-to-play models
“You can't pay to get on the public leaderboard. It's not like a Gartner in that sense. It's not like any of these, like you know, pay to play systems, never going to be like that. Models are going to be listed on the leaderboard, whether or not the providers p…”
Opinion
Angelopoulos rejects claims that Cognition's Devin is dead
“Devin's not gone. Devin's everywhere.”