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This is the EuroHPC access mode built specifically for AI workloads, and it is the most direct route for European researchers who need serious compute without a Horizon Europe grant behind them. Allocations are made in node hours across four petascale and pre-exascale systems - LUMI in Finland, Leonardo in Italy, MareNostrum5 in Spain and MeluXina in Luxembourg - for six-month access periods.
The stated scope is explicit about modern AI: ethical artificial intelligence, machine learning, and cutting-edge foundation models and generative AI including large language models, which means training and fine-tuning runs are in scope rather than being squeezed into a traditional simulation-oriented HPC framing. Eligibility is deliberately wide.
All scientific users qualify whether or not their work is funded by national or European programmes, as do public sector users, and industrial users participating in EU-funded research and innovation projects such as Horizon Europe or the Digital Europe Programme.
The one important boundary: industrial users not involved in an EU research project are directed instead to the AI for Industrial Innovation access modes, so a commercial applicant with no EU project affiliation should check which door they are meant to use before drafting.
The call operates on rolling cut-offs rather than a single deadline, with 2026 cut-offs at 27 February, 30 April, 30 June, 31 August, 30 October and 11 December, each at 10:00 CET. That cadence means an unsuccessful application can be revised and resubmitted roughly two months later, and a team that misses one window is never waiting long for the next.
As with all compute schemes, no money is awarded - staff and data costs must come from elsewhere.
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Or search similar grants →According to the current listing, eligibility includes: Open to all types of scientific users, whether or not funded by national or European programmes, to users from the public sector, and to industrial users participating in research and innovation projects funded by EU programmes such as Horizon Europe or the Digital Europe Programme. Industrial users not involved in EU-funded research projects should instead apply through the AI for Industrial Innovation access modes. Projects must rely on AI models as part of their research workflow, spanning ethical AI, machine learning, foundation models and generative AI including large language models. Applications are evaluated against rolling cut-off dates - in 2026 these fall on 27 February, 30 April, 30 June, 31 August, 30 October and 11 December, each at 10:00 CET. Access grants run for six months, with resources allocated in node hours across the LUMI, Leonardo, MareNostrum5 and MeluXina systems. No cash funding is provided. Confirm the full requirements in the official notice before applying.
The current listing shows no cash funding is provided. Successful applicants receive in-kind allocations of node hours on the LUMI, Leonardo, MareNostrum5 and MeluXina supercomputers for a six-month access period. EuroHPC JU does not publish a per-project node-hour ceiling or an equivalent monetary value for this access mode; requested allocations are justified in the proposal and sized by the review panel. Verify award ceilings, matching requirements, and allowable costs in the official notice.
Applications for EuroHPC JU AI for Science and Collaborative EU Projects Access Mode for Foundation Model and Generative AI Research on LUMI, Leonardo, MareNostrum5 and MeluXina are due October 30, 2026. Build your timeline backwards from this date to cover registrations, approvals, and final submission checks.
EuroHPC JU AI for Science and Collaborative EU Projects Access Mode for Foundation Model and Generative AI Research on LUMI, Leonardo, MareNostrum5 and MeluXina is funded by European High Performance Computing Joint Undertaking (EuroHPC JU). Verify program details on the funder's official page before applying.
Start from the official opportunity page linked in this listing — it carries the sponsor's submission instructions.
EuroHPC JU Large Scale Access to AI Factories for Industrial AI Innovation with Continuously Open GPU Allocations is sponsored by European High Performance Computing Joint Undertaking (EuroHPC JU). The EuroHPC JU Large Scale Access call provides industrial users with rapid access to AI Factories' GPU compute resources across European supercomputers (including MareNostrum5, LUMI, Leonardo, JUPITER, and others) for high-impact, high-gain innovative AI research.
The EuroHPC JU Large Scale Access call provides industrial users with rapid access to AI Factories' GPU compute resources across European supercomputers (including MareNostrum5, LUMI, Leonardo, JUPITER, and others) for high-impact, high-gain innovative AI research. Cutoffs are rolling and bi-weekly through 2026 and into 2027 (example cutoffs: 30 Jan 2026, 16 Feb 2026, 27 Feb 2026, continuing through 4 Jan 2027). Minimum 50,000 GPU hours per proposal. Industry users requiring large compute for training foundation models, fine-tuning multimodal models, or running large inference experiments can submit on a continuously open basis. Academic and public-sector users should apply via the separate 'AI for Science' access mode. EuroHPC JU is overseeing 19 AI Factories and 13 AI Factory Antennas across Europe to provide free, customized support to SMEs and startups. Strong fit for European industrial AI labs and SMEs needing sovereign EU compute for training and serving large models.
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