Infleqtion Sqale
80physical qubits
30 entangled logical qubits from 80 physical — first neutral-atom company at 30 logical qubits on a commercial system.
aiqbench · Quantum benchmarks
Quantum · Timeline
Every hardware milestone, record, advantage claim, funding round and roadmap promise the site tracks, on one timeline, newest first. Read a lane down the page to see how it moves; don't read across lanes as a ranking.
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48logical qubits
QuEra 48 logical qubits · Apr 2024 · on the timeline
66 rounds · $16.4B in USD figures
What the news corpus caught, not the market. Only rounds with a USD figure are counted.
arXiv quant-ph submissions in September 2026
80physical qubits
30 entangled logical qubits from 80 physical — first neutral-atom company at 30 logical qubits on a commercial system.
30logical qubits
30 entangled logical qubits from 80 physical — first neutral-atom company at 30 logical qubits on a commercial system.
15physical qubits
32,768quantum volume
108physical qubits
12×9-qubit chiplet architecture; 99.1% median 2Q fidelity at general availability.
11,000qubits
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
120physical qubits
Commercial delivery: 218 tunable couplers, circuits up to ~5,000 two-qubit gates.
98physical qubits
First trapped-ion device with QV=2^20; 99.921% 2Q, 99.9975% 1Q fidelity.
33,554,432quantum volume
108physical qubits
2,048quantum volume
1,024quantum volume
64physical qubits· 64 algorithmic qubits (AQ, IonQ's own metric)
Enterprise system targeting AQ 64.
8,388,608quantum volume
8physical qubits
First topological-qubit chip claimed; 8 topological qubits announced.
105physical qubits
105physical qubits
First below-threshold surface-code error correction: logical error rate falls as code distance grows.
1logical qubit
First below-threshold surface-code error correction: logical error rate falls as code distance grows.
256physical qubits
24 entangled logical qubits on a neutral-atom device.
24logical qubits
24 entangled logical qubits on a neutral-atom device.
156physical qubits
Updated Heron with lower crosstalk and larger circuit depth.
1,000atoms
2,097,152quantum volume
12physical qubits
Modular photonic architecture demo, path to fault tolerance.
280physical qubits
First >40 logical qubits demonstrated (Bluvstein et al., Nature).
48logical qubits
First >40 logical qubits demonstrated (Bluvstein et al., Nature).
56physical qubits
First 56-qubit trapped-ion device; QV = 2^19.
1,048,576quantum volume
32quantum volume
504physical qubits
6,100qubits
Not rearranged
29code distance
Google Quantum AI · Quantum error correction below the surface code threshold
84physical qubits
1,121physical qubits
IBM's first >1000-qubit processor.
133physical qubits
3–5× lower error rate than Eagle; the utility-scale successor.
133physical qubits
256physical qubits
1,180atoms
First >1000-atom quantum device (physical qubits).
20physical qubits
84physical qubits