
Service Specifications
Availability Hours
In principle, the service is available 24 hours a day, 365 days a year; however, we do not guarantee a specific uptime rate.
We will provide notification two weeks in advance of any maintenance that requires a service outage.
Support Hours
We will respond between 10:00 and 17:00 on our designated business days.
If you are a contracted user, please sign in to Quloud and submit your inquiry via the inquiry form within the service.
Maintenance time
We conduct scheduled or ad-hoc maintenance work for reasons such as system maintenance and version upgrades.
We will provide notification two weeks in advance of any maintenance work that requires a suspension of service.
Version upgrade
We perform periodic or ad-hoc version updates for reasons such as adding or modifying calculation functions and enhancing security.
When a version update involves the addition or modification of functions, we will provide details in the release notes.
Information update date
September 16, 2026
Release Notes
Ver.7.0
September 16, 2026
We have added the following computational software:
・GROMACS (MD)
・Psi4 (Quantum Chemistry)
・HybMD (First-principles calculation + Machine learning MD)
*HybMD is available via an optional subscription.
We now support GPU computing for:
・LAMMPS
・GROMACS
Ver.6.1
March 16, 2026
UI/UX improvements
Simplification of job operations
Improvements to input and execution workflows
Ver.6.0
December 1, 2025
Enhanced project features
Improved user usability
Starting with this version, the service is provided on a new infrastructure platform.
Ver.5.1
March 25, 2025
We have revamped the user interface.
Ver.5.0
October 16, 2024
The following calculation software has been added:
・Quloud-Mag
・FLARE
The following calculation software has been removed:
・PIMD
Ver.4.0
June 25, 2024
Added calculation functions:
・Machine learning MD (pre-trained machine learning force field)
・Effective mass calculation from band calculations
Improved the user interface.
Ver.3.0
November 1, 2023
The following computational software has been added:
・PIMD
・Quantum ESPRESSO
・LAMMPS

