ModelRefs / Chatbot Arena ELO Leaderboard — AI Model Scores
Chatbot Arena ELO Leaderboard — AI Model Scores
LMSYS crowd-sourced pairwise preference leaderboard across open and closed models. Current leaders, methodology, and citation sources for Chatbot Arena ELO.
Overview
LMSYS crowd-sourced pairwise preference leaderboard across open and closed models.
How it is measured: Bradley-Terry ELO from 1M+ anonymous human preference votes; open and closed models ranked together.
How this benchmark is scored
| Category | open-source |
|---|---|
| Maximum score | 2000 ELO |
| Direction | Higher is better |
Primary source: https://lmarena.ai/
Continue your research
Use these connected ModelRefs sections to compare alternatives, inspect implementation paths, and review the evidence and governance boundaries relevant to Chatbot Arena ELO Leaderboard — AI Model Scores.