Celestial AI

Intelligence, illuminated.

Santa Clara, United States · Founded 2020 · $597.9M raised

Employees
51–200
Founded
2020
Business Model
B2B
Total Funding
$597.9M
Last Round
$65.0M Series CAug 2025
Rounds
6

About

Celestial AI developed the Photonic Fabric, an optical interconnect technology platform enabling high-bandwidth, low-latency connectivity between AI accelerators, GPUs, and memory at package, system, and rack levels. The technology addresses the data movement bottleneck constraining AI infrastructure scaling. Founded in 2020 in Santa Clara, California, Celestial AI was acquired by Marvell Technology in February 2026 for up to $5.5 billion.

Summary

Celestial AI is an Artificial Intelligence company based in Santa Clara, United States, founded in 2020. It has raised $597.9M in total across 6 rounds, most recently a $65.0M Series C round in Aug 2025. Investors include Fidelity Management, U.S. Innovative Technology Fund and AMD Ventures.

Tech & App Stack

1 technologies & apps tracked

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Funding History

Series CSeries CAug 2025
$65.0M

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Investors

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