Arena at a glance
The crowd-voted model leaderboard dropped "LM" from its name, saying it now evaluates far more than language models.
What changed with Arena
On January 28, 2026, LMArena announced its new name, Arena, along with a new site at arena.ai and a new visual identity. The project began as a UC Berkeley research effort comparing language models through side-by-side human votes.
Why Arena matters for businesses
The company cited more than 5 million monthly users in 150 countries and 60 million conversations per month. Its leaderboards are widely quoted in model launches, so businesses will see the Arena name often when vendors describe how their models rank.
Sources for this story
- LMArena is now Arena (opens in a new tab)Official
Arena · arena.ai
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