We feel confident that our roadmap presents the most viable plan for bringing large-scale, fault-tolerant, and useful quantum computing to the world. We hope you’ll join us along that path.ReferencesYoder, Theodore J., et al. Tour de gross: A modular quantum computer based on bivariate bicycle codes. arXiv:2506.03094, arXiv, 3 Jun 2025. arXiv.org, . | Bravyi, Sergey, et al. High-threshold and low-overhead fault-tolerant quantum memory. DOI:10.1038/s41586-024-07107-7, Nature, 27 Mar 2024. nature.com, . | Müller, Tristan, et al. Improved belief propagation is sufficient for real-time decoding of quantum memory. arXiv:2506.01779, arXiv, 2 Jun 2025. arXiv.org, . | Cross, Andrew, et al. Improved QLDPC Surgery: Logical Measurements and Bridging Codes. arXiv:2407.18393, arXiv, 25 Jul 2024. arXiv.org, . | Williamson, Dominic J. & Yoder, Theodore J. Low-overhead fault-tolerant quantum computation by gauging logical operators. arXiv:2410.02213, arXiv, 3 Oct 2024. arXiv.org, . | Cohen, Lawrence Z., et al. Low-overhead fault-tolerant quantum computing using long-range connectivity. DOI:10.1126/sciadv.abn1717, Science Advances, 20 May 2022. arXiv.org, . | Swaroop, Esha, et al. Universal adapters between quantum LDPC codes. arXiv:2410.03628, arXiv, 19 Mar 2025. arXiv.org, | Bravyi, Sergei & Kitaev, Alexei. Universal Quantum Computation with ideal Clifford gates and noisy ancillas. arXiv:quant-ph:0403025, arXiv, 4 Mar 2004. arXiv.org, . | Gupta, Riddhi S., et al. Encoding a magic state with beyond break-even fidelity. DOI:10.1038/s41586-023-06846-3, Nature, 10 Jan 2024. nature.com, . | IBM Quantum: Tomorrow's computing todayQuantum starts here(opens in a new tab)Keep exploringView all blogsFrom Representation to Revolution: Celebrating the FFT and the Future of Computing16 Jun 2025 • Alessandro Curioni, Jay Gambetta, Ryan MandelbaumResearchAlgorithmsNew application functions help applied researchers tap the power of quantum5 Jun 2025 • Joachim Schäfer, Jenay Patel, Valerie Chiang, Sanket Panda, Suhare Nur, Robert DavisCommunityResearchQiskitWhat is fault-tolerant quantum computing?30 May 2025 • Robert Davis, Olivia Lanes, John WatrousError Correction & MitigationResearchLockheed Martin & IBM combine quantum computing with classical HPC in new research22 May 2025 • Javier Robledo-Moreno, Gavin Jones, Roberto Lo Nardo, Robert DavisNetworkResearchUse CasesFeaturedTechnologyIBM Quantum SafeIBM Quantum NetworkResearchGet accessPricingIBM Quantum PlatformGet startedQiskitDocumentationLearningStay connectedBlogLinkedInYouTubeCommunityCareersContact IBMTerms of useAccessibilityPrivacyCookie preferences, The IBM z17’s 43 billion transistors, 24 million miles of wire and 18 layers of metal form a system capable of 35 billion transactions a day. It’s safe to say it took a team effort to build it., How IBM will build the world's first large-scale, fault-tolerant quantum computer With two new research papers and an updated quantum roadmap, IBM® lays out a clear, rigorous, comprehensive framework for realizing a large-scale, fault-tolerant quantum computer by 2029..