AI inference chip startup Etched raised $700 million at a $21 billion valuation, the company announced on Tuesday, August 18. The round was led by Jane Street, the quantitative trading firm that bought and installed Etched's first shipped hardware.
The round
The financing values Etched at roughly double the $10.3 billion it was worth after a $300 million Series C in July 2026 — a round SiliconANGLE reports was led by Nvidia. Participating investors in the new round include Kleiner Perkins, Sequoia Capital, Andreessen Horowitz, Tiger Global, Bain Capital Ventures, Blackstone, Peter Thiel, Neo, Stripes, Primary, Positive Sum, Diffusion and Argo.
Etched was founded in 2021 and is led by co-founder and CEO Gavin Uberti; Robert Wachen is co-founder and COO. Reuters, via The Star, framed the raise as investors betting on demand for chips specialized to run AI models rather than train them.
What Etched sells
Etched does not sell a single chip. It sells complete systems it calls frontier inference clusters, built around two custom components. The first is a prefill chip that runs at low voltage to process an incoming prompt faster. The second is cluster-scale memory, which lets many chips share a pooled memory space at low latency.
The split maps onto how inference actually runs. The prefill stage — reading the prompt — is compute-heavy. The decode stage — generating output tokens one at a time — is memory-heavy. Etched built separate hardware for each. The company also designed its own interconnect, cold plates and voltage regulator modules for the rack; SiliconANGLE, citing the Wall Street Journal, reports the interconnect completes some communication tasks in 700 milliseconds that take rival chips 4,000 milliseconds.
Jane Street as customer first, investor second
Etched shipped its first rack to Jane Street in July 2026, and the firm has been running it in its own data center. "We tested the chip and are pleased with the early results," Jane Street said in a statement carried by TechCrunch. "Etched's unique approach to inference delivers the precision we will need to support our most demanding workloads." Uberti said it took the company three years to deliver that first rack from scratch, and that the next one will be much faster, per VKTR.
Etched says it has signed more than $1 billion in customer contracts across frontier AI companies and cloud providers, per VKTR.
The raise lands in a stretch of heavy capital formation around inference silicon specifically. Olix raised $312 million at a $3.3 billion valuation for photonic inference chips earlier in August, SambaNova raised a $1 billion Series F at an $11 billion valuation in July, and OpenAI moved in-house with Jalapeño, its first custom chip, built with Broadcom.
Source: TechCrunch
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