IBM and UC Berkeley publish evidence of quantum utility on a 127-qubit processor

IBM/Starling fault-tolerant roadmap

IBM and UC Berkeley reported accurate expectation values from circuits on a noisy 127-qubit Eagle processor at a scale beyond brute-force classical simulation, using noise characterization and error mitigation. They ran quantum circuits with up to 60 layers of two-qubit gates and 2,880 CNOT gates, demonstrating quantum computing's ability to deliver utility before full fault tolerance arrives.

• 127-qubit Eagle processor ran circuits with 60 layers, 2,880 CNOT gates—beyond brute-force classical simulation.
• Noise mitigation and characterization techniques achieved accurate results on size/complexity beyond classical reach.
• Eagle consistently outperformed state-of-the-art classical approximation methods on supercomputers.
• Demonstrates noisy quantum machines can be useful before full fault tolerance; utility-scale computing achievable today.