As far as I can tell, the advantages of Gauss are that it runs Apple's more efficient ml-stable-diffusion engine, and that the GUI is better. The disadvantage is that you (currently) have to build it yourself in a multi-step compiling process that involves "goo".

This uses Apple's CoreML port and should be much faster if you have an ARM-powered Mac.

Same, would love to see a comparison. I've been a mostly-happy user of DB for a while but always open to competition