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Etched 的估值在一个月内翻倍至 $21B

Jane Street 已安装了 Etched 首个交付的 AI 集群系统,并对其表现印象深刻。据该初创公司称,Jane Street 随后领投了另一轮巨额融资。

Julie Bort

Publisher TechCrunch AI

Aug 18, 2026 at 5:21 PM UTC · 2 分钟阅读

Etched 的估值在一个月内翻倍至 $21B
Image via TechCrunch AI

Key Signal

$700M new funding raised

Last Updated

2 个月前

Etched 周二 宣布,在著名的量化基金 Jane Street 测试并购买了这家初创公司的 AI 硬件后,由其领投,公司以 $21 billion 的估值又筹集了 $700 million。

即使以 AI 标准衡量,这种估值的提升速度也是令人咋舌的。Etched 在 12 月的估值为 $5 billion。它在 7 月以 $10.3 billion 的估值筹集了 $300 million 的 C 轮融资。现在,投资者在一个月内将其估值翻了一番,达到 $21 billion,增长了近 $11 billion。

Etched 将其 AI 技术作为完整系统交付,并称之为“前沿推理集群”(frontier inference clusters)。(Etched 的竞争对手 Nvidia 将其完整系统称为 AI 工厂。)

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联合创始人兼 COO Robert Wachen 告诉 TechCrunch,投资者之所以如此热情,是因为 Etched 从零开始设计了两个新组件来加速推理——即用户提交提示词后进行的计算过程。

“推理分为两个阶段,”Wachen 说,“预填充(prefill)和解码(decode)。”在数学和计算密集型的“预填充阶段”,系统必须理解提示词,包括上下文。在内存密集型的“解码”阶段,系统生成输出 token,即用户看到的实际答案。

Etched 创造了一种在低电压下运行的预填充芯片,使其能够封装更多晶体管,而不会出现其他高端 AI 芯片常见的散热问题。因此,它可以更快地处理更多 token。Etched 为解码过程创造了一种新型内存和互连技术,公司称之为集群级内存(cluster-scale memory)。

Why this matters

The $700 million round and $21 billion valuation signal substantial institutional conviction in AI inference hardware, an area increasingly central to the cost and capacity of deploying advanced models. Jane Street’s reported testing, purchase and datacenter deployment could strengthen demand for specialized inference systems if the technology performs as claimed.

“它允许许多芯片连接在一起,并以非常非常快、低延迟的方式使用共享内存池,”Wachen 说。Etched 承诺,其结果是更高的速度和更低的成本。

Etched 仍在努力消除其早期给人留下的印象,即它将特定的模型刻入芯片,这意味着每颗芯片都是为运行某个前沿模型而定制设计的。这最初是其意图,但现在情况已不再如此。Etched 的系统可以运行任何前沿模型。

在宣布新一轮融资的 博客文章 中,投资机构 Jane Street 表示:“我们测试了该芯片,并对早期结果感到满意。Etched 独特的推理方法提供了我们支持最苛刻的工作负载所需的精度。我们很高兴现在在我们的数据中心运行我们自己的机架。”

Etched 的其他投资者包括 Kleiner Perkins, Sequoia Capital, Andreessen Horowitz, Peter Thiel, Tiger Global, Bain Capital Ventures, Neo, Stripes, Primary, Positive Sum, Diffusion, Argo, 和 Blackstone。

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Originally reported by TechCrunch AI

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