Google has claimed that its quantum processor Willow has achieved the first “verifiable” quantum advantage — a technological benchmark that means a quantum computer can outperform a classical one in practice.

“This breakthrough is a significant step toward the first real-world application of quantum computing, and we’re excited to see where it leads,” Google CEO Sundar Pichai wrote on X.com.

The announcement was accompanied by an open-access paper in Nature in which the Google Quantum AI and Collaborators team described its setup and findings. At the heart of the effort is a special kind of quantum measurement called out-of-time-order correlator (OTOC). The measurement shows how information spreads and gets scrambled inside a quantum system. It’s like running a movie of a system forw

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