"IonQ has historically led the quantum computing startup space, and it does have very impressive tech . It has the lowest error rates in the QC business, with 99.99% fidelity on two-qubit gates. As of today, it has Forte, with 36 physical qubits. It already has customers. Namely, algorithmic qubits . Airbus (OTCMKTS:EADSY ), Hyundai, and the U.S. Air Force. IonQ Tempo has 64"
"IonQ has a lower error rate than its competitors due to its trapped-ion being steered with ultra-stable laser pulses instead of the microwave pulses used in superconducting chips. However, that laser-steering approach comes with a trade-off that investors and technologists need to keep in mind: speed and scalability bottlenecks. A single two-qubit laser gate takes a few microseconds, whereas superconducting circuits finish the same operation in ~10-20 nanoseconds. When you finally do need millions of gates to run an error-corrected algorithm, total run-time balloons."
Commercial quantum computing will yield only a few direct winners, and current public startups may or may not become the largest. IonQ leads in trapped-ion technology with industry-low error rates — 99.99% two-qubit fidelity — and machines like Forte (36 physical qubits) and Tempo (64). IonQ already serves customers including Airbus, Hyundai, and the U.S. Air Force. Trapped-ion qubits achieve low errors by using ultra-stable laser pulses rather than microwaves, but that approach introduces speed and scalability bottlenecks: two-qubit laser gates take microseconds versus 10–20 nanoseconds for superconducting circuits. Superconducting competitors are narrowing the fidelity gap while leveraging higher volume.
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