Celestial AI raises $56M Series A to disrupt the AI ​​chipset industry with a new photonics-electronics technology platform

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Celestial AI’s system transforms computing by using light for data movement within and between chips, enabling scalability with optical memory access and computing from single node to exascale systems

SUNNYVALE, Calif.–(BUSINESS WIRE)–Celestial AI, an AI accelerator company with a proprietary hardware and software platform for machine learning chipsets, today announced a series investment A $56 million led by Koch Disruptive Technologies (KDT) with participation from Temasek’s Xora Innovation fund, The Engine, the venture capital firm spun off from MIT, Tyche Partners, the venture capital fund of Merck, M -Ventures, IMEC XP and Princeton University ecosystem venture capitalist Fitz Gate. The new capital will be used to expand the global engineering team, product development and strategic supplier engagements, including Broadcom, to build the company’s Orion AI accelerator products. Celestial AI’s mission is to fundamentally transform the way computing is done with a new processing system, based on its proprietary Photonic Fabric™ technology platform, which uses light to move data in both chip and between chips.

Driven by advances in data communications, robust silicon photonics technology and mass manufacturing ecosystems have been established. The industry is ripe for the commercial implementation of machine learning (ML) and high performance computing (HPC) solutions that leverage silicon-embedded photonics for data movement. For AI computing applications, the movement of data is the primary contributor to system power, and most leading competing architectures trade moderate power reductions for increased system and software complexity. Celestial AI’s photonic fabric enables optically addressable memory and computation (in-chip and chip-to-chip) that decouples their technology from the limitations of electronics and the slowdown of Moore’s Law. Their proprietary architecture allows for elegant, low-complexity system software, enabling highly efficient data and computational mapping without the need for complex optimizations. This software advantage extends to multi-chip exascale systems, as photonic fabric democratizes optical access to effectively unlimited memory and computation. Celestial AI’s Orion AI acceleration products serve an addressable market that Omida expects to exceed $70 billion in 2025.

“We are addressing the problem of our time in computing – efficient data movement,” said David Lazovsky, Founder and CEO of Celestial AI. “Celestial AI’s hybrid photonics-electronics platform allows us to leverage the complementary strengths of electronics for high-performance, high-precision computing and photonics for high-speed, low-power, low-bandwidth data movement. high. This results in transformational performance advantages over electronic-only systems. The benefits of the ML application extend beyond performance and low power consumption to latency, user-friendly software, and low total cost of ownership. Our competitive differentiation will increase over time as the complexity of AI models increases, leading to increased movement of data. »

Domain-specific architectures targeted at AI workloads can offset some of the slowdown in CMOS advances, but this approach also has its limitations. By integrating photonics into accelerators for AI workloads, Celestial AI enables radical advances in AI computation. Chipsets and server systems today are limited by the power budget (Thermal Design Power or TDP). The Celestial AI Photonic Fabric enables a redistribution of the fixed power budget from data movement to compute, delivering sustainable and growing performance advantages over any electronic-only solutions. Every Joule of energy saved on moving data can be spent on computation.

“Photonics is poised to be the technology that will usher in the next era of rapid growth in AI and high-performance computing, and we believe the Celestial AI team has the experience and vision to drive this industry transformation,” said Isaac Sigron, Chief Executive Officer. of KDT, and a newly appointed board member of Celestial AI. “It was the software benefits of Celestial AI that ultimately drove our decision to lead this funding. Their system architecture enables unparalleled software simplicity, resulting in ease of use for customers and reduced time to market. Software is the path to revenue, and Celestial AI’s solution is a game-changer in this vast and growing market.

“Celestial AI has developed an architecture that uniquely adapts to multi-chip systems and significantly reduces the development burden on AI teams bringing new applications to market. As the world moves towards increasingly complex AI models, we believe Celestial AI’s competitive advantage will only grow over time,” said Phil Inagaki, CEO of Xora Innovation.


Celestial AI is an AI accelerator company with a proprietary hardware and software technology platform that enables the next generation of high-performance computing solutions. Celestial AI’s mission is to fundamentally transform the way computing is done through its proprietary Photonic Fabric™ technology that uses light for the movement of data both within and between chips.


Koch Disruptive Technologies (KDT) is a unique investment company, focused on empowering founders to create a potential world. KDT offers a flexible, multi-stage investment approach that includes both venture capital and traditional growth stages. We work with principled entrepreneurs who build transformative businesses, disrupt the status quo and create new platforms. KDT is a subsidiary of Koch Industries, one of the largest private companies in the world with a turnover of 115 billion dollars and operating in more than 70 countries. KDT helps partners unlock their full potential by bringing Koch’s capabilities and network to them, structuring unique capital solutions, and embracing a long-term, mutual-benefit mindset. For more information, visit www.kochdisrupt.com.


Preet Virk


Source: Celestial AI

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