CScale

Based in California, US, CScale, Inc. was founded in 2022 by Sanjai Kohli to develop optical interconnect for AI infrastructure. As of October 2026, the company is led by its CEO, Martin Lund. In July 2026, CScale, Inc.

raised USD 144. 99 million in Series C equity funding co-led by Atreides Management, Valor Equity Partners and Premji Invest, with participation from NVIDIA, Intel Capital, Sutter Hill Ventures and Maverick Silicon, to accelerate development and commercialization of optical interconnect for AI scale-up. CScale develops an integrated light engine and optical interconnect for AI scale-up systems. Its technology combines photonics, electronics and software to deliver high-bandwidth, low-latency connectivity and contain optical-link failures without interrupting compute across accelerator clusters.

CScale generates revenue through business-to-business transactions, partnering with enterprises that implement their optical interconnect solutions within their AI infrastructures. The typical transaction structure involves contracts for the provision of core services, which may include maintenance agreements and upgrades to existing systems. Clients typically engage in subscription-based models or one-time purchases, allowing CScale to establish long-term relationships with its customers while catering to ongoing infrastructure requirements in a rapidly evolving AI landscape. The company plans to use its July 2026 Series C funding to accelerate development and commercialization of optical interconnect for AI scale-up.