Celestial AI has successfully raised $255 million in a Series C1 funding round, bringing its total funding to $520 million. This funding, which includes investments from the VentureTech Alliance and the Samsung Catalyst Fund, is aimed at enhancing the company’s Photonic Fabric technology—an advanced optical interconnect system designed for AI infrastructure.
The funding is crucial for accelerating the commercial deployment of this innovative technology, which facilitates optical data transfer between processors and servers. As the demand for AI capabilities grows, traditional copper-based interconnects are increasingly seen as bottlenecks due to their limitations in bandwidth and energy efficiency.
David Lazovsky, CEO of Celestial AI, emphasized the necessity of transitioning to optical interconnects, stating that copper cannot support the data movements needed for advanced AI models. He described the Photonic Fabric as a significant advancement in technology, capable of providing the high bandwidth and low latency essential for modern AI systems. The funding will also bolster Celestial AI’s supply chain for mass production and deepen partnerships with essential foundries like TSMC.
The funding round saw participation from notable investors, including AMD Ventures, IMEC XPand, and Fidelity Management & Research, alongside major firms like BlackRock and Porsche Automobil Holding. The involvement of the VentureTech Alliance underscores the critical nature of optical interconnects in meeting the growing scalability and sustainability demands of AI infrastructures.
As AI models and workloads become increasingly complex, Celestial AI positions itself at the forefront of this transition, potentially becoming a foundational element in computing for enterprises deploying large-scale AI systems.
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