d-Matrix
d-Matrix is an AI Accelerators company founded in 2019 and based in Santa Clara, USA. It has raised $429M in total funding, most recently a Series C in 2025 at a $2B valuation.
d-Matrix builds in-memory compute chips optimized for efficient transformer inference at scale in data centers. Raised $450M including $275M Series C in Nov 2025 at $2B valuation; Corsair chip in deployment. Founded by ex-Synopsys and SiMa.ai leadership.
d-Matrix's digital in-memory compute architecture targets 10x better inference efficiency than GPUs for large language models.
d-matrix.ai ↗·AI Accelerators·USA·private 
