Cerebras Systems Raises $1.1B Series G at $8.1B Valuation

Summary

Fidelity Management & Research Company Anchors Investment with an All-Star Consortium of InvestorsSunnyvale, CA – September 30, 2025 – Cerebras Systems, makers of the fastest AI infrastructure in the industry, today announced the completion of an over subscribed$1.1 billion Series G funding round at $8.1 billion post-money valuation. The round was led by Fidelity Management & Research Company and Atreides Management. The round included significant participation from Tiger Global, Valor Equity Partners, and 1789 Capital, as well as existing investors Altimeter, Alpha Wave, and Benchmark.As the fastest inference provider in the world, Cerebras will use these funds to expand its pioneering technology portfolio with continued inventions in AI processor design, packaging, system design and AI supercomputers. In addition, it will expand its U.S. manufacturing capacity and its U.S. data center capacity to keep pace with the explosive demand for Cerebras products and services."From our inception we have been backed by the most knowledgeable investors in the industry. They have seen the historic opportunity that is AI and have chosen to invest in Cerebras,” said Andrew Feldman, co-founder and CEO, Cerebras. "We are proud to expand our consortium of best-in-world investors.”Inference Momentum as AI Industry Leaders Choose CerebrasCerebras has experienced extraordinary growth since launching its inference service in late 2024. Over the past year, Cerebras has held the performance crown every single day, routinely demonstrating speeds more than 20X faster than Nvidia GPUs on open-source and closed source models."Since our founding, we have tested every AI inference provider across hundreds of models. Cerebras is consistently the fastest,” said Micah Hill-Smith, CEO of leading benchmarking firm Artificial Analysis.Cerebras’ performance advantage has led to massive demand. New real-time use cases – including code generation, reasoning, and agentic work – have increased the benefi...