IBM Quantum Computing

Your browser does not support the video tag.Nighthawk: Now in flight for advantage

At IBM Quantum Developer Conference, we unveiled IBM Quantum Nighthawk, a higher-connectivity quantum processor powering more complex algorithms, along with expanded software capabilities to accelerate the path to advantage.

View all announcements

Bringing useful quantum computing to the world

IBM Quantum® is a full-stack quantum computing provider. Access the world’s largest fleet of 100+ qubit quantum computers and performant Qiskit software tools with IBM Quantum Platform.

Trusted by 300+ clients and partners

• 
• 
• 
• 
• 
• 
• 
• 
• 
• 
• 
• 
• 
• 
• 
• 
• 
• 
• 
• 
• 
• 
• 
• 
• 
• 
• 
• 
• 
• 
• 
• 
• 
• 
• 
• 

Pause

IBM quantum computers leverage speed, scale, and quality to power scientific discovery. Their modular design enables integration with classical resources for quantum-centric demonstrations toward advantage.

Accelerate algorithm and application development with Qiskit Functions, a catalog of IBM and third-party services.

v2.2.3(opens in a new tab)

Qiskit

Qiskit is the world’s most popular and performant open-source software stack for quantum computing and algorithms research. Build, optimize, and execute quantum workloads at scale.

Learn moreGet started(opens in a new tab)PythonCC++import qiskit def main(): # Build a bell state qc = qiskit.QuantumCircuit(2, 2) qc.h(0) qc.cx(0, 1) qc.measure(0, 0) qc.measure(1, 1)#include <qiskit.h> int main(int argc, char *arv[]) { // Build a bell state QkCircuit *qc = qk_circuit_new(2, 2); uint32_t h_qargs[1] = {0, }; qk_circuit_gate(qc, QkGate_H, h_qargs, NULL); uint32_t cx_qargs[2] = {0, 1}; qk_circuit_gate(qc, QkGate_CX, cx_qargs, NULL); for (uint32_t i = 0; i < 2; i++) { qk_circuit_measure(qc, i, i); } qk_circuit_free(qc); }#include <circuit/quantumcircuit.hpp> using namespace Qiskit::circuit; int main() { QuantumRegister qr(2); ClassicalRegister cr(2); QuantumCircuit circ(qr, cr); circ.h(0); circ.cx(0, 1); circ.measure(0, 0); circ.measure(1, 1); }

Unlocking advantage together

The IBM Quantum Network includes academic institutions, industry clients, startups, and other partners advancing quantum computing. Discover the benefits of participating in the world’s largest network of quantum innovators.

Learn more

300+

Total network members

50+

Startup partners

95+

Completed prototypes "Prototype" here refers to a joint technical demonstration that evaluates the feasibility of a selected use case.

5K+

Research papers Research papers on arXiv using Qiskit and/or IBM quantum hardware

Advancing algorithms and applications research

IBM is collaborating with client and partners across industry and academia to develop new algorithms and applications that go beyond classical computing. Explore the research we are driving to solve society’s toughest problems.

View latest research

Latest news

The community-led research that shaped IBM Quantum Developer Conference 2025

How UTokyo and IBM developed a new quantum simulation algorithm

Scaling beyond our roadmap with networked quantum computers

Utility-scale dynamic circuits now available for all users

Get started for free

Access quantum computers, documentation, and courses on IBM Quantum Platform. Sign up today to get 10 free minutes of execution time per month on our 100+ qubit quantum computers.

Explore the platform

Scale to fault tolerance

IBM has the most practical path to realizing fault-tolerant quantum computing. Our roadmap charts the engineering milestones required to build quantum systems with hundreds of logical qubits capable of running millions of quantum gates by the end of the decade.

Explore the roadmap