Etched’s valuation doubles to $21B in a month

Etched’s valuation doubles to $21B in a month

AI chip startup Etched raised another $700M at a $21B valuation, led by Jane Street. That's nearly double the $10.3B valuation from its Series C just one month ago. Jane Street first installed Etched's first shipped inference cluster and was impressed enough to lead the new round. Etched says it designed two new components from scratch to speed up inference's prefill and decode stages, though the post doesn't detail the tech. I'd discount the valuation jump a bit — it's largely a signal boost from Jane Street's name, with no public deployment scale yet.

Why it matters: Etched jumped from $10.3B to $21B valuation in a month, with Jane Street buying the inference cluster first then leading the round—a rare customer-validation signal in hardware. Not scoring higher because the body only provides headline and summary, missing shipment volume and...