Here is the website. Creating an account first.

https://esgdata.gfdl.noaa.gov/search/cmip6-gfdl/

Trying to get details

I suggest check with ESGF node of LLNL at https://esgf-node.llnl.gov/projects/esgf-llnl/

Try this page:

https://climate4impact.eu/impactportal/data/esgfsearch.jsp

We have used cmip5 data from this page as mentioned in this paper:

https://www.researchgate.net/publication/337938470_Representative_General_Circulation_Models_GCMs_selection_and_downscaling_of_climate_data_for_the_transboundary_Koshi_river_basin_in_China_and_Nepal

I suggest to access through https://esgf-node.llnl.gov/search/cmip6/, you can find guidance here: https://pcmdi.llnl.gov/CMIP6/Guide/dataUsers.html#3-accessing-model-output

Thank you Abhijit Mitra Santosh Kaini Zhibo Li Jiwoo Lee Julia Mindlin for your contributions. I appreciate your attention.

Try the link below,

https://esgf-node.llnl.gov/search/cmip6/

CMIP6 project data downloads are unrestricted. Downloads should be performed with the -s option to a wget script without the need to login.