IBM and RIKEN Unveil First IBM Quantum System Two Outside of the U.S.
IBM (NYSE: IBM) and RIKEN have unveiled the first IBM Quantum System Two outside the United States, marking a significant milestone in quantum computing. The system, powered by the 156-qubit IBM Quantum Heron processor, is co-located with RIKEN's supercomputer Fugaku in Japan.
The Heron processor demonstrates remarkable performance metrics, including a two-qubit error rate of 3x10-3 (10 times better than its predecessor) and 250,000 CLOPS (circuit layer operations per second), representing a 10x speed improvement. The system's integration with Fugaku creates a quantum-centric supercomputing environment, enabling advanced research in quantum algorithms and chemistry problems.
This collaboration, supported by NEDO and METI, aims to develop practical quantum-HPC hybrid workflows for both scientific and industrial applications.
IBM (NYSE: IBM) e RIKEN hanno presentato il primo IBM Quantum System Two al di fuori degli Stati Uniti, segnando un importante traguardo nel campo del calcolo quantistico. Il sistema, alimentato dal processore IBM Quantum Heron a 156 qubit, 猫 collocato insieme al supercomputer Fugaku di RIKEN in Giappone.
Il processore Heron mostra prestazioni eccezionali, tra cui un tasso di errore a due qubit di 3x10-3 (dieci volte migliore rispetto al modello precedente) e 250.000 CLOPS (operazioni per secondo a livello di circuito), rappresentando un miglioramento di velocit脿 di 10 volte. L'integrazione del sistema con Fugaku crea un ambiente di supercalcolo centrato sul quantum, che permette ricerche avanzate su algoritmi quantistici e problemi di chimica.
Questa collaborazione, supportata da NEDO e METI, mira a sviluppare flussi di lavoro ibridi quantistico-HPC pratici per applicazioni sia scientifiche che industriali.
IBM (NYSE: IBM) y RIKEN han presentado el primer IBM Quantum System Two fuera de Estados Unidos, marcando un hito importante en la computaci贸n cu谩ntica. El sistema, impulsado por el procesador IBM Quantum Heron de 156 qubits, est谩 ubicado junto al superordenador Fugaku de RIKEN en Jap贸n.
El procesador Heron muestra m茅tricas de rendimiento sobresalientes, incluyendo una tasa de error de dos qubits de 3x10-3 (10 veces mejor que su predecesor) y 250,000 CLOPS (operaciones por segundo a nivel de capa de circuito), representando una mejora de velocidad de 10 veces. La integraci贸n del sistema con Fugaku crea un entorno de supercomputaci贸n centrado en la computaci贸n cu谩ntica, que permite investigaciones avanzadas en algoritmos cu谩nticos y problemas de qu铆mica.
Esta colaboraci贸n, respaldada por NEDO y METI, tiene como objetivo desarrollar flujos de trabajo h铆bridos pr谩cticos de quantum-HPC para aplicaciones cient铆ficas e industriales.
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IBM (NYSE : IBM) et RIKEN ont d茅voil茅 le premier IBM Quantum System Two en dehors des 脡tats-Unis, marquant une 茅tape importante dans le domaine de l'informatique quantique. Le syst猫me, 茅quip茅 du processeur IBM Quantum Heron de 156 qubits, est install茅 aux c么t茅s du superordinateur Fugaku de RIKEN au Japon.
Le processeur Heron affiche des performances remarquables, notamment un taux d'erreur 脿 deux qubits de 3x10-3 (dix fois meilleur que son pr茅d茅cesseur) et 250 000 CLOPS (op茅rations par seconde au niveau des couches de circuits), repr茅sentant une am茅lioration de vitesse par 10. L'int茅gration du syst猫me avec Fugaku cr茅e un environnement de supercalcul centr茅 sur le quantique, permettant des recherches avanc茅es en algorithmes quantiques et en chimie.
Cette collaboration, soutenue par NEDO et METI, vise 脿 d茅velopper des flux de travail hybrides quantiques-HPC pratiques pour des applications scientifiques et industrielles.
IBM (NYSE: IBM) und RIKEN haben das erste IBM Quantum System Two au脽erhalb der Vereinigten Staaten vorgestellt und damit einen bedeutenden Meilenstein im Bereich des Quantencomputings erreicht. Das System, ausgestattet mit dem 156-Qubit IBM Quantum Heron Prozessor, befindet sich gemeinsam mit RIKENs Supercomputer Fugaku in Japan.
Der Heron-Prozessor zeigt beeindruckende Leistungswerte, darunter eine Zwei-Qubit-Fehlerrate von 3x10-3 (10-mal besser als sein Vorg盲nger) und 250.000 CLOPS (Circuit Layer Operations Per Second), was eine zehnfache Geschwindigkeitssteigerung bedeutet. Die Integration des Systems mit Fugaku schafft eine quantum-zentrierte Supercomputing-Umgebung, die fortschrittliche Forschung in Quantenalgorithmen und Chemieproblemen erm枚glicht.
Diese Zusammenarbeit, unterst眉tzt von NEDO und METI, zielt darauf ab, praktische hybride Quantum-HPC-Workflows f眉r wissenschaftliche und industrielle Anwendungen zu entwickeln.
- First IBM Quantum System Two deployment outside the US, expanding global quantum computing access
- Heron processor shows 10x improvement in both error rate and speed compared to previous generation
- Integration with Fugaku supercomputer enables advanced quantum-classical hybrid computing
- System capable of running quantum circuits beyond classical computer simulation capabilities
- None.
Insights
IBM's deployment of their Quantum System Two in Japan marks a significant global expansion and technological advancement in practical quantum computing.
IBM's deployment of the first Quantum System Two outside the US represents a significant milestone in quantum computing commercialization. The system's co-location with RIKEN's Fugaku supercomputer creates a first-of-its-kind quantum-classical hybrid computing environment that enables entirely new computational approaches.
The 156-qubit Heron processor powering this system delivers exceptional performance metrics - with two-qubit error rates as low as 1脳10-3 (10脳 better than previous generation) and circuit layer operations at 250,000 CLOPS (another 10脳 improvement). These aren't just incremental gains; they're transformative improvements that push quantum computing closer to practical applications.
What makes this deployment particularly valuable is the tight integration with classical supercomputing. The fundamental instruction-level connection between Quantum System Two and Fugaku enables researchers to develop parallelized workloads and low-latency communication protocols that leverage the strengths of both computing paradigms. This approach acknowledges that quantum advantage will come through hybrid computing rather than standalone quantum systems.
The recent Science Advances publication on modeling iron sulfides demonstrates the scientific impact already emerging. Sample-based quantum diagonalization (SQD) techniques are proving that even today's error-prone quantum computers can provide scientific value when properly integrated with classical infrastructure - challenging the conventional wisdom that fault-tolerant quantum computers are required for such applications.
For IBM, this installation strengthens their global quantum computing leadership while creating a powerful innovation testbed that could accelerate the path to quantum advantage across chemistry, materials science, and other fields where quantum-classical hybrid approaches show the most promise.
IBM's next-generation quantum computer, now online in
IBM Quantum System Two at RIKEN is powered by IBM's 156-qubit IBM Quantum Heron, the company's best performing quantum processor to-date. IBM Heron's quality as measured by the two-qubit error rate, across a 100-qubit layered circuit, is 3x10-3 (with the best two-qubit error being 1x10-3) 鈥� which is 10 times better than the previous generation 127-qubit IBM Quantum Eagle. IBM Heron's speed, as measured by the CLOPS (circuit layer operations per second) metric is 250,000, which reflects another 10x improvement in the past year, over IBM Eagle.
At a scale of 156 qubits, with these quality and speed metrics, Heron is the most performant quantum processor in the world. This latest Heron is capable of running quantum circuits that are beyond brute-force simulations on classical computers, and its connection to Fugaku will enable RIKEN teams to use quantum-centric supercomputing approaches to push forward research on advanced algorithms, such as fundamental chemistry problems.
The new IBM Quantum System Two is co-located with Fugaku within the RIKEN Center for Computational Science (R-CCS),
This quantum computer expands IBM's global fleet of quantum computers, and was officially launched during a ribbon-cutting ceremony on June 24, 2025, in
"The future of computing is quantum-centric and with our partners at RIKEN we are taking a big step forward to make this vision a reality," said Jay Gambetta, VP, IBM Quantum. "The new IBM Quantum System Two powered by our latest Heron processor and connected to Fugaku, will allow scientists and engineers to push the limits of what is possible."
"By combining Fugaku and the IBM Quantum System Two, RIKEN aims to lead
The installation of IBM Quantum System Two at RIKEN is poised to expand previous achievements by RIKEN and IBM researchers as they seek to discover algorithms that offer quantum advantage: the point at which a quantum computer can solve a problem faster, cheaper, or more accurately than any known classical method. This includes work recently featured on the cover of , based on sample-based quantum diagonalization (SQD) techniques to accurately model the electronic structure of iron sulfides, a compound present widely in nature and organic systems. The ability to realistically model such a complex system is essential for many problems in chemistry, and was historically believed to require fault-tolerant quantum computers. SQD workflows are among the first demonstrations of how the near-term quantum computers of today can provide scientific value when integrated with powerful classical infrastructure.
About RIKEN
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Media Contacts
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IBM Japan
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IBM Research
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