Quantum · Reference
Hardware & Companies
The labs and companies building the machines, from IBM to the pure plays.
13 topics · continually updated
IBM Quantum
the roadmap everyone is measured against
Google Quantum AI
Willow and verifiable advantage
Quantinuum
highest fidelities, newly public
IonQ
the revenue leader among the pure plays
Rigetti
vertically integrated and thinly capitalised
D-Wave
annealing, and the argument about what counts
IQM
Europe's listed champion
PsiQuantum
the all-or-nothing photonic bet
Microsoft Quantum
topological qubits and the Azure reseller model
AWS Braket and the Ocelot cat-qubit chip
Pasqal and the European neutral-atom programme
Xanadu and photonic quantum computing
NVIDIA in quantum
NVQLink, CUDA-Q and the Ising decoder