LUMI AI Factory to host Europe's first logical-qubit quantum computer, built in stages through 2029
IQM Quantum Computers will supply a superconducting quantum system, LUMI-IQ, to CSC’s Kajaani data centre, integrating error-corrected logical qubits into Europe’s LUMI AI Factory in phases starting 2027.
Martti Asikainen | 29.9.2026 | Photo by LUMI AI Factory
CSC – IT Center for Science announced on 10 September that LUMI-IQ will become Europe’s first superconducting quantum computer designed from the outset to operate using logical qubits.
The system is built by Finnish firm IQM Quantum Computers. It will be hosted at CSC’s data centre in Kajaani, Finland, and integrated into the LUMI AI Factory’s existing computing environment.
The system will be delivered and upgraded in three stages between 2027 and 2029. It is jointly funded by the EuroHPC Joint Undertaking and four participating countries: Finland, Czechia, Norway and Poland.
From physical to logical qubits
Most quantum computers today rely on physical qubits. These are highly sensitive to disturbance and prone to error. Logical qubits address this problem. They combine several physical qubits, using quantum error correction, into a single, more reliable unit of computation. This step is considered essential for running the longer, more complex calculations that practical quantum applications require.
The rollout will happen in phases. IQM’s first system, the Halocene H4, will be installed in 2027. It has 150 physical qubits and initial error correction. A 2028 upgrade will improve error correction and logical-qubit reliability. A final upgrade will follow in 2029, bringing IQM’s more advanced Halocene H5 system online.
According to CSC, the staged approach would let researchers build practical experience with logical-qubit computing as the technology matures.
Logical qubits remain an emerging technology. The phased rollout reflects that. LUMI-IQ’s most advanced capabilities are not expected until the 2029 upgrade — some two years after the initial 2027 installation. CSC’s own account frames the project as building expertise and exploring where reliable quantum computing can create value. It stops short of promising an immediately mature commercial system.
Combining three types of computing
LUMI-IQ will be tightly integrated with the LUMI AI Factory’s existing supercomputing and AI resources. This will allow researchers to combine three technologies for different parts of the same problem. Supercomputers will handle large-scale simulation. AI will optimise complex workflows. Quantum computing will take on tasks where quantum methods offer distinct advantages.
“Owning an upgradeable quantum computer lets CSC and the LUMI AI Factory integrate the system into their own AI and HPC infrastructure,” said Jan Goetz, chief executive and co-founder of IQM Quantum Computers.
He said this kind of ownership was “exactly what Europe needs right now.” It gives researchers the ability to shape the technology’s direction and build local expertise, rather than simply accessing systems built and controlled elsewhere.
Managing director of CSC, Kimmo Koski, pointed to the combination of the three computing approaches as the greatest source of potential. Logical qubits improve the reliability of quantum calculations, he said, while AI and high-performance computing provide the surrounding scale and orchestration.
