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This article details the technical specifications and performance metrics of IBM's Nighthawk r2 quantum processor, specifically highlighting its high-speed qubit reset architecture and increased circuit throughput. The advancements focus on hardware scalability for error correction research rather than general AI model training or inference applications.
IBM Quantum Nighthawk r2 more circuits, faster | IBM Quantum Computing Blog

IBM Quantum Nighthawk r2 uses independent, high-speed qubit reset to execute 100,000+ circuits per second—up to 25x higher circuit throughput than IBM Quantum Heron. Active qubit reset lowers initialization error by around 25x while preserving Heron-class gate fidelity and neighbor-safe operation. IBM Quantum Nighthawk r2 combines 120 programmable qubits, 218 couplers, and 120 reset elements for a total of 458 physical quantum elements. Mid-circuit reset and dynamic circuits make Nighthawk r2 a powerful platform for quantum error correction and fault-tolerant quantum computing research. Nighthawk r2 delivers accurate results on circuits containing 7,500+ gates, an important 2026 milestone on the IBM Quantum Roadmap. Ready for more Nighthawk r2? Explore it on IBM Quantum Platform or register…
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