IBM unveils 1,200-qubit chip as it cuts quantum error rates

IBM has introduced a new quantum processor with 1,200 qubits and says it has reduced logical error rates by 30%, a development the company says could bring fault-tolerant quantum computing closer to reality.

The announcement underscores the steady push by major tech firms to move quantum systems beyond laboratory demonstrations and toward machines capable of solving practical problems in chemistry, materials science and advanced optimization. Error correction remains one of the field’s biggest technical obstacles, since fragile qubits can lose information quickly.

IBM’s latest chip adds to a race among leading quantum developers to improve stability, scale and reliability at the same time. While the company framed the result as an important step, commercial quantum computing is still in an early stage and will require more breakthroughs before it can be widely deployed.

Researchers and industry watchers will now be looking for independent validation of the claimed performance gains and for evidence that IBM can keep reducing errors as chip complexity grows. For now, the new processor marks another incremental advance in one of computing’s most closely watched frontiers.