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IBM has launched its first generation Nighthawk quantum processor, featuring 120 superconducting qubits arranged in a square lattice. This processor, revealed at the Quantum Developer Conference, aims to achieve verified quantum advantage by the end of 2026.

Nighthawk includes 218 tunable couplers, enhancing connectivity by 20% compared to the Heron processor, allowing for circuits with 30% more complexity while maintaining lower error rates. Currently, it can execute 5,000 two-qubit gates, with plans to increase this to 7,500 by late 2026 and 10,000 by 2027.

IBM has shifted its fabrication to a 300mm wafer facility at the Albany Nanotech Complex, improving research and development speed. Additionally, IBM introduced Quantum Loon as a testbed for fault-tolerant computing. The company is also collaborating with the Flatiron Institute, Algorithmiq, and BlueQubit on a Quantum Advantage Tracker to validate quantum results against classical methods.