Google unveils ‘Quantum Echoes’ algorithm, marking leap toward practical quantum computing

Google has announced the creation of a groundbreaking quantum computing algorithm that could pave the way for real-world applications — from drug discovery to new materials research — and generate unique datasets for artificial intelligence.

The algorithm, dubbed Quantum Echoes, runs on Google’s quantum chip and performs calculations 13,000 times faster than the most advanced classical computing algorithms running on today’s supercomputers, the company said.

Executives from Alphabet’s (GOOGL.O) Google shared during a briefing that Quantum Echoes could one day help measure molecular structures with unprecedented precision, potentially revolutionizing chemistry, medicine, and materials science. “If I can’t tell you the data is correct, if I can’t prove to you the data is correct, how can I do anything with it?” said Google research scientist Tom O’Brien, highlighting that the algorithm’s outputs can be verified by other quantum computers or experiments — a key step toward real-world usability.

Quantum Echoes builds on Google’s Willow quantum chip, unveiled last year, which overcame one of the central challenges of quantum computing: maintaining stable and reliable “qubits,” the fragile quantum bits that store and process information. Company executives described the significance of the new algorithm as “roughly equivalent” to the chip itself.

Google joins a growing list of major tech firms — including Amazon (AMZN.O) and Microsoft (MSFT.O) — investing heavily in quantum computing as the technology races from theoretical promise toward commercial reality.

For artificial intelligence, Google engineers said Quantum Echoes could be used to create new, high-quality datasets for fields like life sciences, where usable data is scarce. The company detailed the breakthrough in the journal Nature on Wednesday, marking another milestone in the emerging era of quantum-enhanced computation.