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 SupercomputersCerebras said the infusion will be funneled into breakthroughs in AI processor design, advanced packaging, system engineering, and large-scale AI supercomputers. The endorsement underscores Cerebras’ rising status as a linchpin in global AI infrastructure. Fidelity, Atreides Lead the PackThe 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.