There was an inter-comparison workshop last year, named acix. Several ACs have been compared:
https://earth.esa.int/web/sppa/meetings-workshops/acix
That’s the resulting paper: https://www.mdpi.com/2072-4292/10/2/352
Now, it goes into another round, acix-2nd.
https://earth.esa.int/web/sppa/meetings-workshops/acix-2nd
This time cloud-screen will get a separate workshop
https://earth.esa.int/web/sppa/meetings-workshops/hosted-and-co-sponsored-meetings/acix-ii-cmix