The U.K. chip startup Fractile has successfully raised $220 million in a Series B funding round led by Factorial Funds, Accel, and Peter Thiel’s Founders Fund. Founded in 2022 by Walter Goodwin, the company specializes in high-performance chips for AI inference, the process by which AI models answer user queries. This funding achievement highlights the resurgence of Britain’s AI semiconductor ecosystem, which is drawing significant investment and creating jobs. Additionally, Fractile is currently in early discussions with Anthropic regarding the potential purchase of its innovative DRAM-less chips, designed to enhance the efficiency of running AI models.

Accel: Accel is a global venture capital firm serving as the first partner for exceptional teams from inception through growth phases, particularly in AI, cloud, and security. The firm has a strong track record in backing transformative startups worldwide. It co-led the recent Series B funding for U.K.-based AI chip maker Fractile.
Fractile: Fractile is a London-based chip startup designing specialized hardware, systems, and software to accelerate frontier AI model inference by co-locating compute and memory on the same die. Founded by Oxford PhD Walter Goodwin, the company focuses on improving the speed and efficiency of AI query responses. It recently raised a Series B funding round led by Factorial Funds, Accel, and Founders Fund to advance its processor development.
Founders Fund: Founders Fund is a San Francisco-based venture capital firm co-founded by Peter Thiel, investing in companies pioneering revolutionary technologies across sectors like aerospace and biotech. The firm seeks bold innovations that challenge conventional limits. Peter Thiel’s Founders Fund co-led the Series B round for Fractile, the AI inference chip startup.
Walter Goodwin: Walter Goodwin is the founder and CEO of Fractile, holding a PhD from the University of Oxford’s Robotics Institute with expertise in AI hardware. He drives the company’s vision for radically efficient inference chips. Recently, he has been recognized for positioning Fractile amid talks with major AI players like Anthropic.
Factorial Funds: Factorial Funds is a venture capital firm that invests in early-stage technology companies, with a focus on software, machine learning, and emerging computing paradigms. The firm emphasizes curiosity-driven investments in innovative tech sectors. It led the Series B funding round for Fractile to support its AI inference chip initiatives.

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{
“Customer Interest”: “Anthropic is in early talks to purchase Fractile’s chips for running AI models more efficiently.”,
“UK Ecosystem Boost”: “Fractile’s funding milestone underscores Britain’s resurgence in AI semiconductors, attracting investment and jobs.”,
“Technology Differentiator”: “Fractile’s chips co-locate memory and compute to offer superior performance for AI inference compared to existing hardware.”
}
`