Quantinuum, formed from the merger of Honeywell Quantum Solutions and Cambridge Quantum in 2021, operates the highest-fidelity commercial quantum computers in the world. Their H-series trapped-ion systems consistently achieve record Quantum Volume scores. Helios (2025) introduced the first commercial fault-tolerant quantum processor with 48 logical qubits. Majority-owned by Honeywell.
Quantinuum's H1-1 is a 20-qubit trapped-ion system using the QCCD (quantum charg...
Quantinuum's H2-1 is the company's second-generation trapped-ion processor, near...
Quantinuum's Helios, unveiled in January 2025, is the world's first commercial s...