British startup Fractile secures $720m funding to advance AI chip development

Fractile, a UK-based firm specializing in AI chip development, has secured $720 million in a Series C funding round. This investment was supported by Britain’s Sovereign AI Fund, with the government stating the capital aims to secure a greater national stake in the hardware underpinning the UK's economy. The funding round was led by investors including Thrive Capital, Founders Fund, Lightspeed Venture Partners, and Redpoint, leading to a valuation reported by the Financial Times and a Reuters source as potentially reaching $7 billion, or over £5 billion. Fractile is positioning itself as a frontier AI company, aiming for a full-stack solution that incorporates a machine learning compiler to boost the execution speed of large language models on its custom chips. While competing with firms like Axelera, Etched, and OLIX, the company's key differentiator lies in its hardware design, which focuses on stacking DRAM—the common RAM type—to potentially overcome the traditional trade-off between memory capacity and speed. CEO Walter Goodwin of Fractile indicated that the new capital will allow the startup to begin shipping its initial chips and systems in 2027. This focus on advanced hardware is particularly relevant as the rise of agentic AI demands faster processing for longer, complex model tasks.