AI Chip Company Etched Valued at $21 Billion in One Month
TechCrunch
1h ago
Ai Focus
Etched raises an additional $700 million in financing, with its valuation rising from $1.03 billion to $2.1 billion within a month, led by Jane Street.
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AI 芯片初创公司 Etched 宣布完成新一轮 7 亿美元融资,估值升至 210 亿美元。就在一个月前,这家公司刚以 103 亿美元估值完成 3 亿美元 C 轮融资。领投方 Jane Street 表示,在测试并采购其硬件后决定投资。

估值一个月翻倍

Etched 的估值上升速度在 AI 赛道中也较为少见。公司去年 12 月的估值还是 50 亿美元,如今已升至 210 亿美元,其中最近一个月估值增加接近 110 亿美元。

推理系统瞄准两道工序

Etched 并非单卖芯片,而是将产品打包为完整系统,对外称为“前沿推理集群”。公司联合创始人兼首席运营官 Robert Wachen 表示,投资人看重的是其围绕推理环节重新设计的两类核心部件。

他介绍,模型推理大致分为两个阶段:一是 prefill,即系统先理解用户输入及上下文;二是 decode,即生成用户最终看到的输出内容。前者更依赖计算能力,后者更依赖内存与数据传输效率。

Jane Street已部署机架

Etched 称,公司为 prefill 阶段设计了低电压芯片,以便在控制发热的情况下集成更多晶体管;针对 decode 阶段,则开发了新的内存类型和互连方案,并将其称为“集群级内存”。

Jane Street 在宣布投资的博文中表示,其已测试 Etched 芯片,并对早期结果感到满意。该机构还称,Etched 的推理方案能够满足高负载工作需求,目前已在自有数据中心运行一套 Etched 机架。

Etched 还表示,外界早前认为其芯片只适配单一前沿模型,但这一设想已不再适用。公司现在称,现有系统可以运行任何前沿模型。

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