Overview of quantum computers available today

This list shows a selection of the larger quantum computers as of August 2024, based on publicly available sources. The list is not exhaustive, there are many other systems that are not mentioned here.

 

Company

#Qubits
+ chip name
Chip name Platform
+ notes
IBM

1121 

127

“Condor”

“Eagle”

Superconducting
+ Fast

+ Precise gates

- Limited connectivity

Rigetti

79

83

“Aspen-M-3”

“Ankaa-2”

Google 105 “Willow”
University of Science and Technology of China, Hefei 66
IQM 20 “Garnet”
PsiQuantum 0

Photonic

+ Fast

- Imprecise

- Different formalism

Quix 20 modes
University of Science and Technology of China, Hefei 100 modes,
50 photons,
(equivalent to roughly 90 limited qubits). 
IonQ 36 “Forte” 

Trapped ions

+ Connectivity

+ Precise

-  Slow operations

Quantinuum 

32

56

“H1-1”

“H2-1”

Alpine Quantum Technologies 24
Pasqal

100 as computer

196 as simulator

Cold atoms

+ Connectivity

-  Slow operations

QuEra 280
D-Wave 5000 D-Wave’s Quantum Annealers use superconducting qubits which specialize in a single algorithm: annealing.