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France’s CEA, Alice & Bob partner on quantum-supercomputing software

By Thomson Reuters Sep 17, 2026 | 2:06 AM

By Leo Marchandon

Sept 17 (Reuters) – Quantum computing startup Alice & Bob and France’s state Atomic Energy Commission (CEA) ​announced a collaboration on Thursday ‌to develop software for using quantum computers alongside classical supercomputers, initially to explore applications in materials physics.

They will seek to improve ‌the ​Qaptiva software developed ⁠by state-owned supercomputer maker ⁠Bull to compete with Nvidia’s CUDA-Q, in an effort to prevent the software bottleneck that CUDA has created ​in AI, executives at both entities told Reuters.

CEA, a research centre ⁠with an annual budget ⁠of nearly €6 billion ($6.9 billion) ​notably overseeing France’s nuclear deterrent, said the ​programme aimed to boost the domestic ‌quantum industry by becoming an early customer for French startups and granting them access to its computing ⁠facilities.

The aim is to link conventional supercomputers and quantum processors, assigning the quantum machine only ⁠the ‌parts of a problem ⁠for which it may eventually ​offer ‌an advantage.

CEA has already installed quantum ​computers from ⁠French companies Quandela and Pasqal alongside its classical supercomputer and will add Alice & Bob’s in 2027.

($1 = 0.8714 euros)

(Reporting by Leo Marchandon in Gdansk, editing by ​Milla Nissi-Prussak)