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Celestial AI

AI Adjacent
AI Classification
Enables AI ecosystem but doesn't run models itself.

Photonic Fabric technology for next-generation AI computing infrastructure

Total Funding

$505M

Founded

2020

Headquarters

Santa Clara, United States

Industry Vertical

Developer Tools & AI Infrastructure

Technology Segments

AI ChipsInference OptimizationEdge AIGPU

About

Celestial AI specializes in photonic interconnect technology, focusing on solutions that address the scalability demands of modern AI infrastructure. Their flagship product, Photonic Fabric, is an optical interconnect platform designed for AI computing systems, enabling seamless data transfer from chip-to-chip and server-to-server. By replacing traditional copper-based interconnects, Celestial AI's technology offers breakthroughs in bandwidth, latency, and energy efficiency, supporting advanced AI deployments for data centers, cloud providers, and semiconductor manufacturers.

Funding Rounds

2
DateRoundAmount
2025-08-13Series C$255M
2025-03-12Series C1$250M

Investors

14
VentureTech AllianceSamsung Catalyst FundFidelityBlackRockAMD VenturesFidelity Management & Research CompanyMaverick SiliconTiger GlobalLip-Bu TanKoch Disruptive TechnologiesTemasekXora InnovationPorsche Automobil Holding SEThe Engine Ventures

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