Details
- IBM announced on October 7, 2026, that it was selected for Stage C, the third phase of DARPA’s Quantum Benchmarking Initiative.
- DARPA’s independent verification and validation team will now test IBM’s quantum hardware, architecture, technology, and systems engineering.
- The QBI, launched in 2024, evaluates whether an industrially useful fault-tolerant quantum computer—one whose computational value exceeds its cost—can be built by 2033.
- IBM previously submitted its technical concept and comprehensive research-and-development plan through Stages A and B; Stage C shifts the program from planning to hardware evaluation.
- IBM is targeting its first fault-tolerant system, IBM Quantum Starling, for 2029, with progress reported in error-correction hardware, decoding, processor design, and modular systems engineering. DARPA also lists Atom Computing and other organizations among Stage C performers.
Impact
Stage C places IBM’s fault-tolerance strategy under external technical scrutiny and provides a more consequential benchmark than company roadmaps alone. If IBM’s hardware passes independent testing, the evaluation could strengthen funding and partnership interest in superconducting, modular architectures while accelerating engineering work toward commercially useful quantum systems over the next 12–24 months.
