Cerebras raises $1 billion at $23 billion valuation

Cerebras Systems, an artificial-intelligence chipmaker based in Sunnyvale, California, has raised $1 billion in fresh capital at a $23 billion valuation. The funding round, led by Tiger Global, represents an increase from the company’s previous valuation of $8.1 billion. Benchmark Capital, which led Cerebras’ $27 million Series A funding in 2016, invested at least $225 million in the latest round. Because Benchmark deliberately keeps its fund sizes under $450 million, the firm raised two separate special vehicles specifically to fund this Cerebras investment.

The company’s technical differentiation centers on its Wafer Scale Engine, an AI processor that utilizes nearly an entire 300-millimeter silicon wafer. While traditional chips are thumbnail-sized fragments cut from these wafers, Cerebras uses almost the entire circle. Cerebras claims its systems are faster than Nvidia’s chips, stating that its design enables AI inference tasks to run more than 20x faster than competing systems. The physical specifications of the processor include:

• A size of approximately 8.5 inches on each side
• 4 trillion transistors packed onto a single piece of silicon
• 900,000 specialized cores working in parallel

Cerebras is also scaling its commercial operations through a partnership with OpenAI. The companies signed a multi-year computing power agreement, extending through 2028, worth more than $10 billion. Under the terms of the agreement, Cerebras will provide 750 megawatts of computing power to OpenAI to help deliver faster response times for complex queries. Notably, OpenAI Chief Executive Sam Altman is also an investor in Cerebras.

According to Reuters, Cerebras is now preparing for a public debut in the second quarter of 2026. The company’s path to going public was previously complicated by its relationship with G42, a UAE-based AI firm that accounted for 87% of Cerebras’ revenue in the first half of 2024. G42’s historical ties to Chinese technology companies triggered a national security review by the Committee on Foreign Investment in the United States, the US government agency that reviews foreign investments. G42 has since been removed from Cerebras’ investor list, clearing the way for the planned public debut.

Why it matters

Cerebras is positioning itself as a challenger to Nvidia by securing capital and partnerships, though its path to public markets remains tied to navigating complex regulatory scrutiny.