The Frontier Leaders · LMArena

LMArena

San Francisco, California, United States · private · arena.ai

LMArena sells AI evaluation services, including crowdsourced preference leaderboards and agent testing, to AI developers such as OpenAI, Google and xAI.

AI Core · prospect · score 36

Latest signals

8 Oct 2026LMArena raised $200 million at a $3.1 billion valuation.TechCrunch
8 Oct 2026LMArena expanded its AI model evaluations to alignment issues such as lying.TechCrunch
17 Jul 2026Baidu’s ERNIE 5.1 achieved its reported performance at about 6% of comparable pretraining cost.QbitAI 量子位
9 May 2026ERNIE 5.1 Preview ranked first among Chinese models on the LMArena text leaderboard on April 30.QbitAI 量子位
9 May 2026ERNIE 5.1 ranked first in China and fourth globally on the LMArena search leaderboard.QbitAI 量子位

17 signals name LMArena. Members see all of them, filtered by topic, source and date.

Facts, with sources

8 Oct 2026Arena Alignment IndexProduct launch · arena.ai
8 Oct 2026exceeded annualized revenueRevenue · arena.ai
8 Oct 2026Series BFunding round · arena.ai
29 Jun 2026annualized revenue run rateRevenue · arena.ai

9 facts on file. Members see all of them with the source link.

Scores, AI Core (of 10)

Deployment1

Production9

Commercials8

Progress8

Technology3

Positioning1

Firepower1

Leverage4

Traction: deployment, production, commercials, progress. Capability: technology, positioning, firepower, leverage.

Categories

AI CoreAI · Safety & security / Alignment & evaluation

Questions this page answers

What does LMArena do?

LMArena sells AI evaluation services, including crowdsourced preference leaderboards and agent testing, to AI developers such as OpenAI, Google and xAI.

Where does LMArena rank in ai core?

LMArena is on the AI Core prospect list of Frontier Tech Intelligence with a score of 36 out of 100, below the Top 100.

Where is LMArena based and when was it founded?

LMArena is based in San Francisco, California, United States. Stage: private.

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