Arena 完成 2 亿美元 B 轮融资，估值 31 亿美元
We’re incredibly proud to continue working with @thehousefund!
做模型评测的 Arena 融了 2 亿美元，估值 31 亿，还顺手发布了给 20 多个前沿模型测安全行为的 Alignment Index。
模型评测平台 Arena 完成 2 亿美元 B 轮融资，估值达 31 亿美元，由 Lightspeed 和 Khosla Ventures 联合领投，a16z、Salesforce Ventures、The House Fund 等参投。自 A 轮以来，Arena 年化收入超过 1 亿美元，平台累计 3.5 亿次会话，其中 Agent Arena 会话在不到 5 个月内达到 700 万次。平台覆盖文本、视觉、代码、搜索、图像和视频共 6200 万次投票，用户遍布 150 多个国家。融资同时，Arena 发布了基于真实智能体行为轨迹构建的 Alignment Index，对 20 多个前沿模型评估越权操作、错误归因和欺骗性完成三类信号。Arena 于 2023 年作为 UC Berkeley 研究项目起步，2025 年独立为公司。
We’re incredibly proud to continue working with @thehousefund!
We’re incredibly proud to continue working with @thehousefund ! The House Fund @thehousefund . @arena just raised a $200M Series B at a $3.1B valuation. Co-led by our friends Lightspeed and Khosla Ventures, including a16z, AMP PBC, Felicis, Salesforce Ventures, 01 Advisors, Dell Technologies Capital, Endeavor Catalyst, The House Fund, and others. We're proud investors since the first round, and excited to double down into this round. Since the Series A: - $100M+ in annualized revenue - 350M sessions across the platform -7M Agent Arena sessions in under five months - 62M votes across text, vision, code, search, image, and video - Users in 150+ countries Alongside the raise, Arena released its Alignment Index, built from real-world agent traces. It starts with three signals across 20+ frontier models: Unauthorized Action, False Attribution, and Deceptive Completion. It’s worth remembering where this started. Arena launched in 2023 as a research project out of UC Berkeley. It became a company in 2025. Today, it’s how the AI industry checks its own work. Congrats to @ml_angelopoulos , @infwinston , @istoica05 , and the entire Arena team! Berkeley research, keeping AI honest. Go Bears! Your browser does not support the video tag. 🔗 View on Twitter 🔗 View Quoted Tweet 💬 2 🔄 0 ❤️ 8 👀 2719 📊 2 ⚡
- techcrunch10-08 18:19原文