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Warning!

Puhti and Mahti are being decommissioned in stages, and their storage areas will become fully unavailable from 15 October 2026. Clean up unnecessary files and move any data you need to keep by 31 August 2026. See the Roihu data migration guide for instructions on transferring your data to Roihu.

Puhti computing services have been decommissioned and no new jobs are accepted or executed on its compute nodes. Puhti login nodes and storage services are planned to remain available until 15 October 2026.

What does it cost to use Pouta?

Pouta usage is free for Finnish academic use if a project application is accepted. This uses the same process as the HPC systems at CSC. For a detailed explanation, see Pouta Usage policy.

Academic and commercial pricing is also available for cases where we are unable to provide free access or sufficient resources.

Accounting and billing is based on Cloud Billing Units. Academic users can apply for more free Billing Units through the CSC customer portal MyCSC. Paying customers should contact CSC Service Desk.