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While it is widely believed that strictly fault-tolerant protocols can only be implemented using single- and two-qubit gates, several quantum computing platforms, including trapped ions, neutral atoms, and superconducting qubits, support native multi-qubit operations. In this Letter, we show that stabilizer measurement circuits for unrotated surface codes can be fault tolerant using single auxiliary qubits and  gates. These gates enable lower-depth circuits with fewer fault locations and potentially shorter QEC cycle times. We find that in an optimistic parameter regime where fidelities of three-qubit gates are the same as those of two-qubit gates, the logical error rate can be up to one order of magnitude lower and the threshold significantly higher, increasing from                     <a:math xmlns:a=\"http://www.w3.org/1998/Math/MathML\" display=\"inline\">                       <a:mo>≈</a:mo>                       <a:mn>0.63</a:mn>                       <a:mo>%</a:mo>                     </a:math>                     to                     <c:math xmlns:c=\"http://www.w3.org/1998/Math/MathML\" display=\"inline\">                       <c:mo>≈</c:mo>                       <c:mn>0.83</c:mn>                       <c:mo>%</c:mo>                     </c:math>                     . Our results, applicable to a wide range of platforms, motivate further investigation into multi-qubit gates for fault-tolerant QEC as they can offer substantial time and physical qubit resource advantages to reach a given target logical error rate.                   </jats:p>"],"publicationDate":"2025-12-09","publisher":"American Physical Society (APS)","embargoEndDate":"2025-06-01","sources":["Crossref","Physical review letters 135(24), 240601 (2025). doi:10.1103/sblg-fbq4","doi:10.34734/FZJ-2025-05064","Physical Review Letters"],"formats":null,"contributors":null,"coverages":null,"bestAccessRight":{"code":"c_abf2","label":"OPEN","scheme":"http://vocabularies.coar-repositories.org/documentation/access_rights/"},"container":{"name":"Physical Review 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