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Celestial AI

AI · Sunnyvale, United States · Founded 2020

Celestial AI is a startup that operates in the high-performance computing market, specifically in the realm of hyperscale data centers. The company has developed a unique technology known as Photonic Fabric™, an optical compute interconnect that significantly improves the performance and economics of memory sharing. The company's technology can reduce total DRAM (Dynamic Random Access Memory) requirements by up to 35%, representing billions of dollars in data center DRAM spend annually. This is achieved by using optical interconnects, which not only reduce power consumption but also provide a growth path to bandwidth capacity. This is particularly important in the context of multi-tenant clouds, where lower latency memory pooling could bring savings of around 23%. In addition to this, Celestial AI's technology also allows for the disaggregation of HBM (High Bandwidth Memory) by running it over optics instead of PCIe (Peripheral Component Interconnect Express) physical media. This is expected to become a real need within the next five years, as even compute units will require an optical interface to connect with their peers at the required bandwidth capacity. The company's business model is based on providing this transformational optical connectivity capability to data centers, thereby unlocking the potential of Generative AI and other complex workloads. This could be a truly disruptive moment for advanced computing, and Celestial AI is at the forefront of this change. Keywords: Celestial AI, Photonic Fabric™, optical compute interconnect, hyperscale data centers, memory sharing, DRAM requirements, optical interconnects, disaggregation of HBM, PCIe physical media, Generative AI.