Microsoft Azure Quantum (Majorana Topological Platform)

Microsoft Azure Quantum leads with a long-term bet on topological qubits, using Majorana quasi-particles for inherently error-resistant quantum computing. This approach stores information in topological properties, resisting local noise and requiring fewer physical qubits per logical qubit. The Majorana 1 processor, delivered in early 2025, was the first chip to host and braid topological qubits, and Majorana 2 in late 2025 achieved unprecedented stability. Microsoft targets a scalable quantum computer by 2029. Azure Quantum aggregates hardware from IonQ, Quantinuum, Rigetti, and Pasqal alongside its own Majorana platform, offering multi-vendor access via Azure. The Q# language, Quantum Development Kit, and Copilot for algorithm assistance enable enterprise developers to build hybrid solutions. Over 300 enterprise customers actively use Azure Quantum for simulation and optimization, with defense, pharmaceutical, and financial services as leading verticals.