AI Glossary
Arena rankings
Also called Elo-style ratings, arena leaderboards
What does “Arena rankings” mean?
Arena rankings: Ranking method where people compare anonymous answers from two models side by side and vote for the better one. Votes are converted into ratings using Elo-style statistics borrowed from chess, so a model gains points by beating highly rated rivals. LMArena, formerly Chatbot Arena, is the best-known example.

What is an example of “Arena rankings”?
Arena ratings capture what users prefer in conversation, which can reward style and length as well as correctness.