Benchmark-uri

30 entangled logical qubits from 80 physical — first neutral-atom company at 30 logical qubits on a commercial system.

30 entangled logical qubits from 80 physical — first neutral-atom company at 30 logical qubits on a commercial system.

12×9-qubit chiplet architecture; 99.1% median 2Q fidelity at general availability.

Not rearranged; ~11,022 Rb atoms loaded per shot across 18,225 sites (135x135), 60.5% filling, generated by a single ~2 cm metasurface outside the vacuum cell

Commercial delivery: 218 tunable couplers, circuits up to ~5,000 two-qubit gates.

First trapped-ion device with QV=2^20; 99.921% 2Q, 99.9975% 1Q fidelity.

Enterprise system targeting AQ 64.

First topological-qubit chip claimed; 8 topological qubits announced.

First below-threshold surface-code error correction: logical error rate falls as code distance grows.

First below-threshold surface-code error correction: logical error rate falls as code distance grows.

24 entangled logical qubits on a neutral-atom device.

24 entangled logical qubits on a neutral-atom device.

Updated Heron with lower crosstalk and larger circuit depth.

Modular photonic architecture demo, path to fault tolerance.

First >40 logical qubits demonstrated (Bluvstein et al., Nature).

First >40 logical qubits demonstrated (Bluvstein et al., Nature).

First 56-qubit trapped-ion device; QV = 2^19.

Not rearranged

Google Quantum AI · Quantum error correction below the surface code threshold

IBM's first >1000-qubit processor.

3–5× lower error rate than Eagle; the utility-scale successor.

First >1000-atom quantum device (physical qubits).