Fractile raises $720 million for British AI chip development
British startup Fractile secured a $720 million Series C funding round backed by the Sovereign AI Fund to advance its purpose-built artificial intelligence hardware.
Funding leads to first chips next year
Fractile announced it raised $720 million in a Series C round led by Thrive Capital and Founders Fund. The investment values the company at over £5 billion according to government statements. Investors include Lightspeed Venture Partners and Redpoint alongside earlier backers like Axelera and Etched. Walter Goodwin, the CEO, said that funding will allow the startup to deliver its initial chips and systems in the coming year.
Hardware design targets memory capacity tradeoffs
The company pivoted its approach to focus on DRAM stacked directly on top of each chip. This design aims to bypass usual tradeoffs between memory and capacity for large language models. Such chips help reduce inference costs while supporting longer chains of tasks required by agentic AI. The hardware seeks to ensure the U.K. has a greater stake in future economy infrastructure.
Full stack approach includes machine compiler
Fractile frames itself as a frontier AI company offering a full-stack solution beyond just hardware. Its strategy includes a machine learning compiler to maximize execution speed for models on its chips. This comprehensive approach distinguishes it from other players in the race for purpose-built silicon. The valuation reported by Financial Times and Reuters suggests a figure possibly reaching $7 billion.
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