Google Quantum AI demonstrated magic-state cultivation on the Willow quantum processor, achieving 99.99% logical fidelity for T states.
Independent evaluation of 36 quantum industry companies across technology, business results, QEC, manufacturing capability, customers and revenue. The Autumn 2026 edition adds nine firms — including Quantum Machines, Bluefors, Qblox and Riverlane — and analyzes ranking shifts since the summer edition and changing competitive axes in the quantum industry.
Qubit counts and funding alone don’t tell the whole story. Quantum Index’s editorial team gave independent 3–5 year outlooks for 29 leading domestic and international quantum-related companies, evaluating technical feasibility, distance to commercialization, revenue, customer base, and more.