{
 "generated": "2026-11-01",
 "node": {
  "id": "org:arena",
  "type": "Organization",
  "name": "Arena（原 LMArena）",
  "roles": [
   "dev"
  ],
  "org_type": "Developer",
  "kind": "lab",
  "homepage": "https://arena.ai/",
  "lab_basis": "neolab:本站 NEO LAB №51 档案；评测机构，不训练基础模型",
  "aliases": [
   "Arena",
   "原 LMArena",
   "LMArena",
   "Arena",
   "LMArena（现名 Arena）"
  ],
  "profile": "/live/neolab/lmarena.html",
  "series": "neolab",
  "neolab": "/live/neolab/lmarena.html",
  "entry": "base",
  "focus": "众包偏好榜 / 评测服务",
  "hq": "官网未写（招聘页标旧金山湾区）",
  "funding": "三轮合计 $450M；B 轮估值 $31 亿（2026-10）",
  "status": "活跃",
  "nl_num": 51,
  "direction": "eval",
  "direction_zh": "评测·观察",
  "tagline": "公众匿名投票起家的偏好榜，现名 Arena，已向实验室和企业收费。",
  "founded": "2025",
  "founded_precision": "year",
  "voice_date": "2026-10-12",
  "voice_channel": "blog",
  "voice_title": "Introducing Max in Agent Arena",
  "voice_url": "https://arena.ai/blog/max-router-tops-agent-arena",
  "degree": 0.0159,
  "n_apps": 1,
  "n_models": 0
 },
 "page": "https://xiaopingfeng.com/graph/e/org/arena/",
 "out": [],
 "in": [
  {
   "type": "developed_by",
   "sentence": "Arena的开发方是Arena",
   "direction": "in",
   "id": "app:arena",
   "name": "Arena",
   "status": "base",
   "evidence": [
    {
     "kind": "own",
     "label": "本站页面",
     "text": "本站 NEO LAB №51：LMArena 现名 Arena（Arena Intelligence Inc.）",
     "url": "https://xiaopingfeng.com/live/neolab/lmarena.html"
    }
   ]
  },
  {
   "type": "invested_in",
   "sentence": "01 Advisors投资Arena",
   "direction": "in",
   "id": "org:01-advisors",
   "name": "01 Advisors",
   "since": "2026-10-08",
   "note": "B 轮新增投资人。",
   "status": "agent",
   "evidence": [
    {
     "kind": "official",
     "label": "官方页面",
     "text": "官方 B 轮博文（2026-10-08）：2 亿美元、估值 31 亿美元，Lightspeed 与 Khosla Ventures 联合领投，并列出投资人名单。",
     "url": "https://arena.ai/blog/series-b"
    },
    {
     "kind": "own",
     "label": "本站页面",
     "text": "本站 NEO LAB №51 档案（§ 04 / 与厂商、投资人的关系（投资人））：B 轮新增投资人。",
     "url": "https://xiaopingfeng.com/live/neolab/lmarena.html"
    }
   ]
  },
  {
   "type": "invested_in",
   "sentence": "a16z投资Arena",
   "direction": "in",
   "id": "org:a16z",
   "name": "a16z",
   "since": "2025-05-27",
   "note": "种子轮 1 亿美元，与 UC Investments 领投。",
   "status": "agent",
   "evidence": [
    {
     "kind": "official",
     "label": "官方页面",
     "text": "官方种子轮博文（2025-05-27）：1 亿美元，a16z 与 UC Investments 领投。",
     "url": "https://arena.ai/blog/new-lmarena"
    },
    {
     "kind": "own",
     "label": "本站页面",
     "text": "本站 NEO LAB №51 档案（§ 01 / 它是谁（钱来自三轮））：种子轮 1 亿美元，与 UC Investments 领投。",
     "url": "https://xiaopingfeng.com/live/neolab/lmarena.html"
    }
   ]
  },
  {
   "type": "invested_in",
   "sentence": "Acrew Capital投资Arena",
   "direction": "in",
   "id": "org:acrew-capital",
   "name": "Acrew Capital",
   "since": "2026-10-08",
   "note": "B 轮新增投资人。",
   "status": "agent",
   "evidence": [
    {
     "kind": "official",
     "label": "官方页面",
     "text": "官方 B 轮博文（2026-10-08）：2 亿美元、估值 31 亿美元，Lightspeed 与 Khosla Ventures 联合领投，并列出投资人名单。",
     "url": "https://arena.ai/blog/series-b"
    },
    {
     "kind": "own",
     "label": "本站页面",
     "text": "本站 NEO LAB №51 档案（§ 04 / 与厂商、投资人的关系（投资人））：B 轮新增投资人。",
     "url": "https://xiaopingfeng.com/live/neolab/lmarena.html"
    }
   ]
  },
  {
   "type": "invested_in",
   "sentence": "Dell Technologies Capital投资Arena",
   "direction": "in",
   "id": "org:dell-technologies-capital",
   "name": "Dell Technologies Capital",
   "since": "2026-10-08",
   "note": "B 轮新增投资人。",
   "status": "agent",
   "evidence": [
    {
     "kind": "official",
     "label": "官方页面",
     "text": "官方 B 轮博文（2026-10-08）：2 亿美元、估值 31 亿美元，Lightspeed 与 Khosla Ventures 联合领投，并列出投资人名单。",
     "url": "https://arena.ai/blog/series-b"
    },
    {
     "kind": "own",
     "label": "本站页面",
     "text": "本站 NEO LAB №51 档案（§ 04 / 与厂商、投资人的关系（投资人））：B 轮新增投资人。",
     "url": "https://xiaopingfeng.com/live/neolab/lmarena.html"
    }
   ]
  },
  {
   "type": "invested_in",
   "sentence": "Endeavor Catalyst投资Arena",
   "direction": "in",
   "id": "org:endeavor-catalyst",
   "name": "Endeavor Catalyst",
   "since": "2026-10-08",
   "note": "B 轮新增投资人。",
   "status": "agent",
   "evidence": [
    {
     "kind": "official",
     "label": "官方页面",
     "text": "官方 B 轮博文（2026-10-08）：2 亿美元、估值 31 亿美元，Lightspeed 与 Khosla Ventures 联合领投，并列出投资人名单。",
     "url": "https://arena.ai/blog/series-b"
    },
    {
     "kind": "own",
     "label": "本站页面",
     "text": "本站 NEO LAB №51 档案（§ 04 / 与厂商、投资人的关系（投资人））：B 轮新增投资人。",
     "url": "https://xiaopingfeng.com/live/neolab/lmarena.html"
    }
   ]
  },
  {
   "type": "invested_in",
   "sentence": "Felicis投资Arena",
   "direction": "in",
   "id": "org:felicis",
   "name": "Felicis",
   "since": "2026-01-06",
   "note": "A 轮 1.5 亿美元，与 UC Investments 领投；TechCrunch 报道 A 轮估值 17 亿美元。",
   "status": "agent",
   "evidence": [
    {
     "kind": "official",
     "label": "官方页面",
     "text": "官方 A 轮博文（2026-01-06）：1.5 亿美元，Felicis 与 UC Investments 领投。",
     "url": "https://arena.ai/blog/series-a"
    },
    {
     "kind": "media",
     "label": "媒体报道",
     "text": "TechCrunch 报道 A 轮及估值。",
     "url": "https://techcrunch.com/2026/01/06/lmarena-lands-1-7b-valuation-four-months-after-launching-its-product/"
    },
    {
     "kind": "own",
     "label": "本站页面",
     "text": "本站 NEO LAB №51 档案（§ 01 / 它是谁（钱来自三轮））：A 轮 1.5 亿美元，与 UC Investments 领投；TechCrunch 报道 A 轮估值 17 亿美元。",
     "url": "https://xiaopingfeng.com/live/neolab/lmarena.html"
    }
   ]
  },
  {
   "type": "invested_in",
   "sentence": "Khosla Ventures投资Arena",
   "direction": "in",
   "id": "org:khosla-ventures",
   "name": "Khosla Ventures",
   "since": "2026-10-08",
   "note": "B 轮 2 亿美元、估值 31 亿美元，与 Lightspeed 联合领投（B 轮新增投资人）。",
   "status": "agent",
   "evidence": [
    {
     "kind": "official",
     "label": "官方页面",
     "text": "官方 B 轮博文（2026-10-08）：2 亿美元、估值 31 亿美元，Lightspeed 与 Khosla Ventures 联合领投，并列出投资人名单。",
     "url": "https://arena.ai/blog/series-b"
    },
    {
     "kind": "media",
     "label": "媒体报道",
     "text": "Bloomberg 2026-10-08 同日报道 B 轮，标题称估值超过 30 亿美元。",
     "url": "https://www.bloomberg.com/news/articles/2026-10-08/ai-model-evaluator-arena-valued-at-over-3-billion-in-round"
    },
    {
     "kind": "own",
     "label": "本站页面",
     "text": "本站 NEO LAB №51 档案（§ 01 / 它是谁（钱来自三轮））：B 轮 2 亿美元、估值 31 亿美元，与 Lightspeed 联合领投（B 轮新增投资人）。",
     "url": "https://xiaopingfeng.com/live/neolab/lmarena.html"
    }
   ]
  },
  {
   "type": "invested_in",
   "sentence": "Kleiner Perkins投资Arena",
   "direction": "in",
   "id": "org:kleiner-perkins",
   "name": "Kleiner Perkins",
   "note": "官方博文列出的投资人；档案未写参与哪一轮。",
   "status": "agent",
   "evidence": [
    {
     "kind": "official",
     "label": "官方页面",
     "text": "官方 B 轮博文（2026-10-08）：2 亿美元、估值 31 亿美元，Lightspeed 与 Khosla Ventures 联合领投，并列出投资人名单。",
     "url": "https://arena.ai/blog/series-b"
    },
    {
     "kind": "own",
     "label": "本站页面",
     "text": "本站 NEO LAB №51 档案（§ 04 / 与厂商、投资人的关系（投资人））：官方博文列出的投资人；档案未写参与哪一轮。",
     "url": "https://xiaopingfeng.com/live/neolab/lmarena.html"
    }
   ]
  },
  {
   "type": "invested_in",
   "sentence": "Laude Ventures投资Arena",
   "direction": "in",
   "id": "org:laude-ventures",
   "name": "Laude Ventures",
   "note": "官方博文列出的投资人；档案未写参与哪一轮。",
   "status": "agent",
   "evidence": [
    {
     "kind": "official",
     "label": "官方页面",
     "text": "官方 B 轮博文（2026-10-08）：2 亿美元、估值 31 亿美元，Lightspeed 与 Khosla Ventures 联合领投，并列出投资人名单。",
     "url": "https://arena.ai/blog/series-b"
    },
    {
     "kind": "own",
     "label": "本站页面",
     "text": "本站 NEO LAB №51 档案（§ 04 / 与厂商、投资人的关系（投资人））：官方博文列出的投资人；档案未写参与哪一轮。",
     "url": "https://xiaopingfeng.com/live/neolab/lmarena.html"
    }
   ]
  },
  {
   "type": "invested_in",
   "sentence": "Lightspeed投资Arena",
   "direction": "in",
   "id": "org:lightspeed",
   "name": "Lightspeed",
   "since": "2025-05-27",
   "note": "参与种子轮；2026-10-08 B 轮 2 亿美元、估值 31 亿美元，与 Khosla Ventures 联合领投。",
   "status": "agent",
   "evidence": [
    {
     "kind": "official",
     "label": "官方页面",
     "text": "官方 B 轮博文（2026-10-08）：2 亿美元、估值 31 亿美元，Lightspeed 与 Khosla Ventures 联合领投，并列出投资人名单。",
     "url": "https://arena.ai/blog/series-b"
    },
    {
     "kind": "media",
     "label": "媒体报道",
     "text": "Bloomberg 2026-10-08 同日报道 B 轮，标题称估值超过 30 亿美元。",
     "url": "https://www.bloomberg.com/news/articles/2026-10-08/ai-model-evaluator-arena-valued-at-over-3-billion-in-round"
    },
    {
     "kind": "own",
     "label": "本站页面",
     "text": "本站 NEO LAB №51 档案（§ 01 / 它是谁（钱来自三轮））：参与种子轮；2026-10-08 B 轮 2 亿美元、估值 31 亿美元，与 Khosla Ventures 联合领投。",
     "url": "https://xiaopingfeng.com/live/neolab/lmarena.html"
    }
   ]
  },
  {
   "type": "invested_in",
   "sentence": "Salesforce投资Arena",
   "direction": "in",
   "id": "org:salesforce",
   "name": "Salesforce",
   "since": "2026-10-08",
   "note": "B 轮新增投资人（官方博文写作 Salesforce Ventures）。",
   "status": "agent",
   "evidence": [
    {
     "kind": "official",
     "label": "官方页面",
     "text": "官方 B 轮博文（2026-10-08）：2 亿美元、估值 31 亿美元，Lightspeed 与 Khosla Ventures 联合领投，并列出投资人名单。",
     "url": "https://arena.ai/blog/series-b"
    },
    {
     "kind": "own",
     "label": "本站页面",
     "text": "本站 NEO LAB №51 档案（§ 04 / 与厂商、投资人的关系（投资人））：B 轮新增投资人（官方博文写作 Salesforce Ventures）。",
     "url": "https://xiaopingfeng.com/live/neolab/lmarena.html"
    }
   ]
  },
  {
   "type": "invested_in",
   "sentence": "The House Fund投资Arena",
   "direction": "in",
   "id": "org:the-house-fund",
   "name": "The House Fund",
   "note": "官方博文列出的投资人；档案未写参与哪一轮。",
   "status": "agent",
   "evidence": [
    {
     "kind": "official",
     "label": "官方页面",
     "text": "官方 B 轮博文（2026-10-08）：2 亿美元、估值 31 亿美元，Lightspeed 与 Khosla Ventures 联合领投，并列出投资人名单。",
     "url": "https://arena.ai/blog/series-b"
    },
    {
     "kind": "own",
     "label": "本站页面",
     "text": "本站 NEO LAB №51 档案（§ 04 / 与厂商、投资人的关系（投资人））：官方博文列出的投资人；档案未写参与哪一轮。",
     "url": "https://xiaopingfeng.com/live/neolab/lmarena.html"
    }
   ]
  },
  {
   "type": "invested_in",
   "sentence": "UC Investments投资Arena",
   "direction": "in",
   "id": "org:uc-investments",
   "name": "UC Investments",
   "since": "2025-05-27",
   "note": "种子轮 1 亿美元领投（与 a16z）；2026-01-06 A 轮 1.5 亿美元再次领投（与 Felicis）。UC Investments 是加州大学的投资部门。",
   "status": "agent",
   "evidence": [
    {
     "kind": "official",
     "label": "官方页面",
     "text": "官方种子轮博文（2025-05-27）：1 亿美元，a16z 与 UC Investments 领投。",
     "url": "https://arena.ai/blog/new-lmarena"
    },
    {
     "kind": "official",
     "label": "官方页面",
     "text": "官方 A 轮博文（2026-01-06）：1.5 亿美元，Felicis 与 UC Investments 领投。",
     "url": "https://arena.ai/blog/series-a"
    },
    {
     "kind": "own",
     "label": "本站页面",
     "text": "本站 NEO LAB №51 档案（§ 01 / 它是谁（钱来自三轮））：种子轮 1 亿美元领投（与 a16z）；2026-01-06 A 轮 1.5 亿美元再次领投（与 Felicis）。UC Investments 是加州大学的投资部门。",
     "url": "https://xiaopingfeng.com/live/neolab/lmarena.html"
    }
   ]
  }
 ]
}