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Artificial intelligence infrastructure powerhouse Cerebras Systems has closed an oversubscribed Series G funding round, locking in $1.1 billion in commitments and catapulting its post-money valuation to a staggering $8.1 billion. The Sunnyvale-based chipmaker, advised by Latham & Watkins LLP, revealed the milestone Tuesday, marking one of the most significant AI investments of the year.

Fueling the Next Wave of AI Supercomputers

Cerebras said the infusion will be funneled into breakthroughs in AI processor design, advanced packaging, system engineering, and large-scale AI supercomputers. Beyond technology, the company intends to scale its U.S. manufacturing and data center footprint to match soaring demand.

Since launching its AI inference service in late 2024, Cerebras has experienced what it called “extraordinary growth,” now delivering trillions of tokens per month across its own cloud. Its cutting-edge chips are engineered to supercharge AI workloads that traditional processors struggle to manage.

An Expanding Roster of Powerhouse Clients

Cerebras boasts a client base that reads like a who’s who of AI and government power players—AWS, Meta, Cognition, Mistral, and even federal heavyweights such as the U.S. Department of Energy, the Department of Defense, and the Mayo Clinic. The endorsement underscores Cerebras’ rising status as a linchpin in global AI infrastructure.

Fidelity, Atreides Lead the Pack

The Series G was spearheaded by Fidelity Management & Research Co. and Atreides Management, with participation from Tiger Global, Valor Equity Partners, 1789 Capital, and repeat backers including Altimeter, Alpha Wave, and Benchmark.

“From our inception we have been backed by the most knowledgeable investors in the industry,” CEO and co-founder Andrew Feldman said. “They have seen the historic opportunity that is AI and have chosen to invest in Cerebras. We are proud to expand our consortium of best-in-world investors.”

IPO Rumblings Still in Play

The funding comes nearly a year after Cerebras filed confidential plans for an IPO in September 2024, aiming to raise between $750 million and $1 billion, though no public debut has yet materialized. At the time, details on share pricing and volume were kept under wraps, fueling speculation about when Cerebras will finally make its Wall Street entrance.

The Latham & Watkins team guiding Cerebras through this mega-raise was led by partner Sarah Axtell.

With its war chest overflowing and its valuation soaring, Cerebras has now positioned itself at the very heart of the AI gold rush—a company that could define the next era of supercomputing.