{"city":"San Francisco","name":"LMArena","slug":"lmarena","facts":[{"date":"2026-10-08","type":"product_launch","value":"Arena Alignment Index","source":"arena.ai"},{"date":"2026-10-08","type":"revenue","value":"exceeded annualized revenue","source":"arena.ai"},{"date":"2026-10-08","type":"funding_round","value":"Series B","source":"arena.ai"},{"date":"2026-06-29","type":"revenue","value":"annualized revenue run rate","source":"arena.ai"},{"date":"2026-01-06","type":"customer","value":"OpenAI, Google and xAI","source":"prnewswire.com"},{"date":"2026-01-06","type":"funding_round","value":"Series A","source":"prnewswire.com"}],"peers":[],"stage":"private","state":"California","aliases":[],"country":"United States","domains":[{"why":"LMArena sells AI evaluation services, including crowdsourced preference leaderboards and agent testing, to AI developers such as OpenAI, Google and xAI.","list":null,"rank":null,"tier":"prospect","layer":null,"total":36,"domain":"AI Core","scores":{"gate_ne":["firepower"],"leverage":4,"position":1,"progress":8,"firepower":1,"commercial":8,"deployment":1,"production":9,"technology":3},"edition":null,"segment":null}],"founded":null,"signals":[{"date":"2026-10-08","header":"LMArena raised $200 million at a $3.1 billion valuation.","outlet":"TechCrunch"},{"date":"2026-10-08","header":"LMArena expanded its AI model evaluations to alignment issues such as lying.","outlet":"TechCrunch"},{"date":"2026-07-17","header":"Baidu’s ERNIE 5.1 achieved its reported performance at about 6% of comparable pretraining cost.","outlet":"QbitAI 量子位"},{"date":"2026-05-09","header":"ERNIE 5.1 Preview ranked first among Chinese models on the LMArena text leaderboard on April 30.","outlet":"QbitAI 量子位"},{"date":"2026-05-09","header":"ERNIE 5.1 ranked first in China and fourth globally on the LMArena search leaderboard.","outlet":"QbitAI 量子位"},{"date":"2026-04-03","header":"Alibaba’s Qwen 3.6-Plus ranked second globally in Code Arena’s React coding benchmark.","outlet":"QbitAI 量子位"}],"website":"https://arena.ai","category":"AI · Safety & security","categories":[{"name":"Alignment & evaluation","domain":"AI Core","parent":"AI · Safety & security"}],"last_round":null,"updated_at":"2026-10-09T10:36:42.222+00:00","facts_total":9,"positioning":"","sub_category":null,"signals_total":17,"url":"https://www.frontiertechintelligence.com/companies/lmarena","title":"LMArena · ai core, San Francisco, California, United States · scores, facts and signals · Frontier Tech Intelligence","description":"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) 17 signals and 9 facts with sources.","publisher":"Frontier Tech Intelligence (Future Frontiers, a trade name of Essential Cognition Inc.)","note":"Assessment by Frontier Tech Intelligence; facts and signals carry their sources."}