LMArena Blog

Latest

Hello from LMArena: The Community Platform for Exploring Frontier AI

Hello from LMArena: The Community Platform for Exploring Frontier AI

At LMArena, everything starts with the community. There have been a lot of new members joining us in the past few months so we thought it would be a good time to reintroduce ourselves! Created by researchers from UC Berkeley’s SkyLab, LMArena is an open platform where everyone can

LMArena and The Future of AI Reliability

LMArena and The Future of AI Reliability

Celebrating Community Impact: 3M+ votes, 400+ models, and 300+ pre-release tests

Celebrating Community Impact: 3M+ votes, 400+ models, and 300+ pre-release tests

Does Sentiment Matter Too?

Does Sentiment Matter Too?

How Many User Prompts are New?

How Many User Prompts are New?

LMArena is Growing to Support our Community Platform

LMArena is Growing to Support our Community Platform

Introducing the Search Arena: Evaluating Search-Enabled AI

Introducing the Search Arena: Evaluating Search-Enabled AI

Research

Does Sentiment Matter Too?

Does Sentiment Matter Too?

Introducing Sentiment Control: Disentangling Sentiment and Substance Contributors: Connor Chen Wei-Lin Chiang Tianle Li Anastasios Angelopoulos Introduction You may have noticed that recent models on Chatbot Arena appear more emotionally expressive than their predecessors. But does this added sentiment actually improve their rankings on the leaderboard? Our previous exploration revealed

How Many User Prompts are New?

How Many User Prompts are New?

WebDev Arena: A Live LLM Leaderboard for Web App Development

WebDev Arena: A Live LLM Leaderboard for Web App Development

RepoChat Arena

RepoChat Arena

Arena Explorer

Arena Explorer

Code Editing in Copilot Arena

Code Editing in Copilot Arena

Copilot Arena

Copilot Arena