Quantinuum and RIKEN announced an expanded partnership on November 10, 2026, after completing Reimei’s upgrade to the 56-qubit System Model H2. The plans include joint work toward a fault-tolerant “Made with Japan” quantum computer and a separate SoftBank agreement to explore bringing quantum-AI hybrid services to Japanese AI data centers. RIKEN marked the expansion with a ceremony at its Wako campus. Mitsuhisa Sato, director of its Quantum-HPC Hybrid Platform Division, said the upgraded…
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Quantinuum Upgrades Reimei and Broadens RIKEN Quantum-AI Partnership
