Quantum Computers

Every quantum computer we know of.

We're tracking all the public quantum computing efforts around the globe. There are many kinds of quantum computer, as shown by the sections below.

58 systems39 operational12 announced7 projected

Each marker is a quantum computer

SuperconductingTrapped ionNeutral atomPhotonicSilicon spinTopologicalQuantum annealing
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Superconducting

18 systems
  • 256 qubits1Q –2Q –Operational
  • 156 qubits1Q –2Q –Operational
  • 120 qubits1Q –2Q –Operational
  • 108 qubits1Q 99.9%2Q 99.1%Operational
  • 105 qubits1Q 99.97%2Q 99.88%Operational
  • 105 qubits1Q 99.9%2Q 99.62%Operational
  • 100 qubits1Q 99.93%2Q 99.5%Operational
  • 72 qubits1Q –2Q –Operational
  • 54 qubits1Q 99.93%2Q 99.5%Operational
  • 32 qubits1Q 99.9%2Q 99%Operational
  • 17 qubits1Q –2Q –Operational
  • 8 qubits1Q 99.929%2Q 99.26%Operational
  • 150 qubits1Q –2Q 99.7%Announced
  • – qubits1Q –2Q –Announced
  • – qubits1Q –2Q –Announced
  • 2,000 qubits1Q –2Q –Projected
  • 336 qubits1Q –2Q –Projected
  • – qubits1Q –2Q –Projected

Trapped ion

9 systems
  • 100 qubits1Q 99.99%2Q 99.9%Operational
  • 98 qubits1Q 99.9975%2Q 99.921%Operational
  • 36 qubits1Q 99.98%2Q 99.6%Operational
  • 20 qubits1Q –2Q –Operational
  • 12 qubits1Q –2Q 97.7%Operational
  • 9 qubits1Q –2Q –Operational
  • – qubits1Q –2Q –Operational
  • 256 qubits1Q –2Q 99.99%Announced
  • – qubits1Q –2Q –Projected

Neutral atom

12 systems
  • 1,180 qubits1Q –2Q –Operational
  • 260 qubits1Q 99.9%2Q 99.2%Operational
  • 256 qubits1Q –2Q –Operational
  • 140 qubits1Q 99.9%2Q 99.7%Operational
  • 100 qubits1Q –2Q 99.73%Operational
  • 50 qubits1Q –2Q –Operational
  • 256 qubits1Q –2Q –Announced
  • 200 qubits1Q –2Q –Announced
  • 50 qubits1Q –2Q –Announced
  • – qubits1Q –2Q –Announced
  • – qubits1Q –2Q –Projected
  • – qubits1Q –2Q –Projected

Photonic

11 systems
  • 11,059 qubits1Q –2Q –Operational
  • 2,682 qubits1Q –2Q –Operational
  • 255 qubits1Q –2Q –Operational
  • 216 qubits1Q –2Q –Operational
  • 12 qubits1Q –2Q –Operational
  • 12 qubits1Q 99.6%2Q 99%Operational
  • – qubits1Q –2Q –Operational
  • – qubits1Q –2Q –Operational
  • 4 qubits1Q –2Q –Announced
  • – qubits1Q –2Q –Announced
  • – qubits1Q –2Q –Announced

Silicon spin

6 systems
  • 18 qubits1Q 99.983%2Q 99.65%Operational
  • 11 qubits1Q –2Q 99.9%Operational
  • 8 qubits1Q –2Q –Operational
  • 6 qubits1Q –2Q –Operational
  • – qubits1Q –2Q –Announced
  • – qubits1Q –2Q –Projected

Topological

1 system
  • 8 qubits1Q –2Q –Operational

Quantum annealing

1 system
  • 4,400 qubits1Q –2Q –Operational

Maintained by an automated tracker that scans vendor press releases, preprints, and benchmark papers every morning. Found a missing system or wrong number? Tell us. Full source list is inside every row.