GoKawiilIBM's Nighthawk r2 quantum chip hits 100,000 circuits per second
IBM has released Nighthawk r2, a 120-qubit quantum processor now live on the IBM Quantum Platform, featuring a new high-speed qubit reset architecture that runs over 100,000 circuits per second, roughly 25 times the throughput of IBM's current Heron processors. The chip pairs 120 qubits with 218 couplers and 120 reset elements, and has already run circuits with more than 7,500 gates accurately, hitting a milestone IBM had targeted for 2026.
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Faster circuit execution and lower reset error directly speed up experimentation cycles for error correction and fault-tolerant computing research, areas IBM sees as prerequisites for practical quantum advantage. Hitting a 2026 roadmap target early suggests IBM's hardware progress is outpacing its own public timeline, which could pressure rivals and reassure enterprise customers investing in quantum research now.
- Nighthawk r2 executes 100,000+ circuits per second, 25x faster than IBM's Heron fleet.
- New active qubit reset cuts initialization error about 25x while keeping Heron-level gate fidelity.
- The chip ran 7,500+ gate circuits accurately, reaching a 2026 roadmap milestone ahead of schedule.
Source: ibm.com, 2026-09-03
Published there as: “IBM Quantum Nighthawk R2”
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