The Defense Advanced Research Projects Agency (DARPA) is seeking innovative approaches to constructing a utility-scale fault-tolerant quantum computer and computational workflows that include quantum compute steps. The Quantum Benchmarking Initiative Topic (QBIT) aims to encourage new entrants to the Quantum Benchmarking Initiative (QBI) and ensure DARPA has visibility into all approaches and potential solutions. Proposers should investigate approaches that enable revolutionary advances in design, engineering, testing, and evaluation of such systems. The QBIT is not intended to solicit proposals from performers selected under prior QBI or US2QC solicitations, but those performers are not precluded from submitting new proposals under this PA if they believe their approach offers new or distinct contributions to the QBI initiative. • The QBIT has a rolling admission process, and abstracts submitted prior to the date and time stated in the QBIT PA will be considered. • Multiple awards are anticipated. • Proposers should describe their approach to quantify the value of their utility-scale concept. • Non-U.S. organizations and/or individuals may participate to the extent that such participants comply with any necessary nondisclosure agreements, security regulations, export control laws, and other governing statutes applicable under the circumstances. • Support technology firms interested in participating in QBI can do so by directly contacting a performer to discuss opportunities for collaboration as a subperformer.