Jeff Bezos and UK government invest in £2bn British AI startup CuspAI

Amazon founder Jeff Bezos and the UK government have invested in a British artificial intelligence startup valued at £2 billion, marking a major bet on AI-driven materials science. The company, CuspAI, has raised $450 million (£330 million) in a funding round that included Bezos and the UK government’s sovereign AI fund, giving the two-year-old Cambridge-based firm a valuation of $2.6 billion.

The startup is developing AI software designed to act as a “search engine for rare materials,” aiming to dramatically cut research times and reduce the use of rare metals in chipmakers’ supply chains. The investment affects the semiconductor industry, which relies on scarce and expensive materials, as well as broader technology sectors that depend on advanced materials for innovation.

This matters because the development of new materials is often a bottleneck in technological progress, from faster computer chips to more efficient batteries. By using AI to rapidly identify and design novel compounds, CuspAI could accelerate breakthroughs while lessening dependence on geopolitically sensitive rare earth elements.

Specific figures from the announcement include the $450 million raised, the £2 billion valuation, and the company’s two-year history since founding. The UK government’s sovereign AI fund participated alongside Bezos, though the exact amounts from each investor were not disclosed.

The investment follows a trend of governments and tech billionaires pouring money into AI startups focused on scientific discovery. CuspAI’s next steps will likely involve scaling its software platform and partnering with chipmakers and other industrial users to test its materials discovery capabilities in real-world applications.