Neutral Atom quantum computing records

Base Error Rate: The probability of an error occurring during a single quantum operation (typically 10⁻³ to 10⁻² for current hardware).
Effective Error Rate: The cumulative probability that your quantum computation produces an incorrect result.
Quantum Error Correction: Techniques using multiple physical qubits to create more reliable logical qubits. The surface code threshold is approximately 1.4%.

As of March 2026, the record two-qubit gate error rate on neutral atom hardware is 0.00136 (March 2026) and the record physical qubit count is 1,180 (October 2023). On a log-linear fit of the 4-point record series, the error rate halves every ~1.5 years and the qubit count doubles every ~1.5 years, extrapolations of record data points, not predictions.

Two-qubit gate error rate: record history

Date	Error rate	Source
August 2019	0.026	arxiv.org/abs/1908.06101
April 2023	0.005	arxiv.org/abs/2304.05420
July 2024	0.0029	arxiv.org/abs/2407.20184
March 2026	0.00136	arxiv.org/abs/2603.15561

Physical qubit count: record history

Date	Qubits	Source
July 2017	51	arxiv.org/abs/1707.04344
July 2021	100	arxiv.org/abs/2108.04790
October 2023	1,180	www.hpcwire.com/2023/10/24/atom-computing-wins-the-race-to-1000-qubits/