Which Quantum computing companies are now providing customers today with quantum solutions?

 

The most widely used quantum computing systems by customers today are primarily provided by IBM, D-Wave, and Amazon's AWS Braket.

1. IBM's Quantum Systems: IBM's Qiskit platform is a leading quantum computing software stack used globally by enterprises, research institutions, and universities. It supports a variety of quantum computing activities and provides a robust framework for building, optimizing, and executing quantum circuits. IBM's quantum hardware and Qiskit software have been extensively adopted, making IBM one of the top providers in the quantum computing space​ (IBM Newsroom)​.

2. D-Wave's Quantum Systems: D-Wave is known for its annealing quantum computers and has recently introduced the Advantage2 prototype with over 1,200 qubits. D-Wave's Leap quantum cloud service allows real-time access to its quantum processing units and hybrid solvers, which have been heavily utilized by customers for solving complex optimization problems​ (D-Wave Systems)​​ (The Quantum Insider)​.

3. Amazon's AWS Braket: AWS Braket is a fully managed quantum computing service that offers access to various quantum computers from different providers, including D-Wave, IonQ, and Rigetti. It provides a flexible platform for users to develop and test quantum algorithms using a pay-as-you-go model. AWS Braket's accessibility and support for multiple quantum hardware backends make it a popular choice for quantum computing customers​ (The Quantum Insider)​.

Each of these platforms offers unique capabilities and is tailored to different types of quantum computing applications, contributing to their widespread use among customers.

IONQ, a prominent player in the quantum computing field, is known for its innovative trapped ion technology, which boasts long coherence times and high qubit fidelity. However, IONQ is not mentioned here (except as a supplier to Amazon Braket) primarily because the company's technology and market penetration are still evolving compared to established giants like IBM, D-Wave, and Amazon's AWS Braket. 

While IONQ has made significant strides in advancing quantum computing capabilities and achieving technical milestones, it is still in the early stages of widespread commercial adoption and scaling its systems to meet broader market demands​ (The Quantum Insider)​​ (The Quantum Insider)​.

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