IonQ emerged as the preferred buy in the quantum sell-off, with the report arguing its 99.99% two-qubit gate fidelity makes it the best long-term bet.
That lead is tied to IonQ’s trapped-ion design and on-chip microwave control, which the analysis says improves stability, shrinks system size and supports broader commercialization.
Rigetti was tagged a sell because its superconducting approach still trails on accuracy—its Cepheus-1-108Q launched at 99.1% fidelity versus a 99.5% target—and needs costly near-absolute-zero cooling.
DARPA’s decision not to pick Rigetti for Stage B of its Quantum Benchmarking Initiative added to the bearish case, while Infleqtion was rated a hold for its government-backed quantum sensing niche.
Infleqtion’s neutral-atom platform, which posted 99.73% two-gate fidelity in 2024, was presented as a middle ground—faster than trapped ions and more accurate than superconducting qubits.