Arena Team

Created by researchers from UC Berkeley’s SkyLab, Arena (formerly LMArena) is an open platform where everyone can easily access, explore and interact with the world’s leading AI models.

March 2026: Arena Updates across Product, Leaderboard Rankings & Research

March 2026: Arena Updates across Product, Leaderboard Rankings & Research

March 2026 brought major updates to the Arena leaderboard, including new rankings across document, video, text, and code models. In this monthly roundup, we break down the best AI models, latest LLM benchmarks, and key trends shaping AI evaluation. Whether you're a daily voter or just checking in

Supporting Independent Research in AI Evaluation

Supporting Independent Research in AI Evaluation

Arena’s Academic Partnerships Program provides funding and support for independent research advancing the scientific foundations of AI evaluation.

Image Arena Improvements: New Categories & Quality Filtering

Image Arena Improvements: New Categories & Quality Filtering

After analyzing over 4 million user prompts, it is clear that a single global leaderboard no longer captures the full picture. Today we introduce new categories and quality filtering.

Introducing Max

Introducing Max

Today we are releasing Max, Arena's model router powered by our community’s 5+ million real-world votes. Max acts as an intelligent orchestrator—it routes each user prompt to the most capable model for that specific prompt.

LMArena is now Arena

LMArena is now Arena

What began as a PhD research experiment to compare AI language models has grown over time into something broader, shaped by the people who use it.

Video Arena Is Live on Web

Video Arena Is Live on Web

Video Arena is now available at: lmarena.ai/video! What started last summer as a small Discord bot experiment has grown into something much more substantial. It quickly became clear that this wasn’t just a novelty for generating fun videos—it was a rigorous way to measure and understand

Fueling the World’s Most Trusted AI Evaluation Platform

Fueling the World’s Most Trusted AI Evaluation Platform

We’re excited to share a major milestone in LMArena’s journey. We’ve raised $150M of Series A funding led by Felicis and UC Investments (University of California), with participation from Andreessen Horowitz, The House Fund, LDVP, Kleiner Perkins, Lightspeed Venture Partners and Laude Ventures.