With custom chips and billions in investment, this high-stakes infrastructure battle could shape the future of AI.

Amazon.com’s cloud-computing business on Thursday unveiled its first-ever quantum computing chip, which it claims marks an important step in the development of useful, reliable quantum computers.

Amazon has become the third tech giant in as many months to announce a breakthrough in quantum computing - a technology that promises vast processing power but is beset by technical difficulties.

Ocelot’s architecture could slash the cost of producing quantum chips by four-fifths, claims Amazon. Amazon has unveiled Ocelot, its first quantum computing ... used a novel design for Ocelot ...