LMArena

Arena | Benchmark & Compare the Best AI Models

San Francisco, United States · Founded 2024 · $100.0M raised

Employees
11–50
Founded
2024
Business Model
B2B
Website
arena.ai
Total Funding
$100.0M
Last Round
$100.0M SeedMay 2025
Rounds
1

About

Originally launched as a UC Berkeley research project, LMArena (now Arena) is a crowdsourced AI evaluation platform where millions of users test and vote on AI model responses across text, code, image, and video modalities. It hosts the de facto public LLM leaderboard used by researchers and enterprises to measure real-world model performance.

Summary

LMArena is an Artificial Intelligence company based in San Francisco, United States, founded in 2024. It has raised $100.0M in total across 1 round, most recently a $100.0M Seed round in May 2025.

Tech & App Stack

2 technologies & apps tracked

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Funding History

SeedMay 2025
$100.0M

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