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Fastest rate of progress on increasing fidelity Best demonstrated median 2Q fidelity: June 2017 vs. June 2021 100.0 90.0 80.0 70.0 60.0 50.0 93.0 97.4 96.0 98.7 3-5 99.0 99.8 6,7 96.8 97.5 rigetti ¹,2 IBM Google IONQ 8,9 1 Reagor, M., et al. "Demonstration of Universal Parametric Entangling Gates on a Multi-Qubit Lattice." Science Advances, vol. 4, no. 2, Feb. 2018, p. eaao3603. arXiv.org, doi:10.1126/sciadv.aao3603. 2 Rigetti internal data, March 4, 2021 3 "A Quantum Experience at Maker Faire." IBM Research Blog, 19 May 2017. 4 Wang, Yuanhao, et al. "16-Qubit IBM Universal Quantum Computer Can Be Fully Entangled." Npj Quantum Information, vol. 4, no. 1, Sept. 2018, pp. 1-6. www.nature.com, doi:10.1038/s41534-018-0095-x. 5 Zhang, Eric J., et al. "High-Fidelity Superconducting Quantum Processors via Laser-Annealing of Transmon Qubits." ArXiv:2012.08475 [Quant-Ph], Dec. 2020. arXiv.org. 6 Kelly, J., et al. "State Preservation by Repetitive Error Detection in a Superconducting Quantum Circuit." Nature, vol. 519, no. 7541, Mar. 2015, pp. 66-69. www.nature.com, doi:10.1038/nature14270. 7 Arute, Frank, et al. "Quantum Supremacy Using a Programmable Superconducting Processor." Nature, vol. 574, no. 7779, Oct. 2019, pp. 505-10. www.nature.com, doi:10.1038/s41586-019-1666-5. 8 Debnath, S., et al. "Demonstration of a Small Programmable Quantum Computer with Atomic Qubits." Nature, vol. 536, no. 7614, Aug. 2016, pp. 63- 66. www.nature.com, doi:10.1038/nature18648. 9 Wright, K., et al. "Benchmarking an 11-Qubit Quantum Computer." Nature Communications, vol. 10, no. 1, Nov. 2019, p. 5464. www.nature.com, doi:10.1038/541467-019-13534-2. 53 rigetti

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