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Celestial AI
Developing a proprietary technology platform which enables the next generation of high-performance computing solutions
About Celestial AI
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.
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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.
At a glance
- Founded
- 2020
- Headquarters
- Sunnyvale, United States
- Sector
- AI
- Power Law
- Unicorn$1–10B valuation tier
Investors
From Dealroom's funding and investor records, grouped by the round each investor first entered.
Seed1 investor entered at this stage
Tyche Partners
Series A12 investors entered at this stage
Khosla Ventures
Temasek
Koch Disruptive Technologies
The Engine
imec.xpand
M Ventures
Fitz Gate Ventures
Smart Global Holdings
IAG Capital Partners
Xora Innovation
Samsung Catalyst Fund
Porsche SE
Series B and later9 investors entered at this stage
AMD Ventures
US Innovative Technology Fund
Engine Ventures
Fidelity Investments
Tiger Global
BlackRock
Lip-Bu Tan
Maverick Silicon
VentureTech Alliance
Source: Dealroom Talent Intelligence.
Global footprint
team presence
across markets
Patents
1 active patent families included in this estimate.
A patent family groups patent filings for the same invention. Source: Dealroom · PatSnap.
Market sentiment
An AI-synthesised read of the highest-engagement posts about Celestial AI on X, ranked by likes and reposts, corporate channels excluded.
Reading the room on X — pulling top posts and synthesizing themes…
Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour
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