In November 2024, Microsoft and Atom Computing set a world record for entangled logical qubits: 24 LQ entangled in a GHZ (cat) state using neutral-atom qubits and Microsoft's qubit-virtualization system. Error detection alone achieved 4.1× improvement over the baseline error rate of 42%.

Separately, 28 LQ were created from 112 qubits (4:1 resource-to-logical overhead) and used to execute the Bernstein-Vazirani algorithm, outperforming the equivalent base-qubit computation. This is also the first demonstration on record of loss correction in a commercial neutral-atom system — a unique challenge because lasers can lose hold of atoms during a computation.

Atom Computing's second-generation system achieves 99.6% two-qubit gate fidelity (highest in a commercial neutral-atom system). The offering combines Atom Computing's neutral-atom QPU, Microsoft's qubit-virtualization system, and Azure Elements (AI + cloud HPC) as a commercial package targeting chemistry, materials science, and scientific research.