Great speed!
As for the quality, I borrowed the query ([1]) that people used to test Stable Diffusion 3 and other models today: "Photo of a red sphere on top of a blue cube. Behind them is a green triangle, on the right is a dog, on the left is a cat".
Here is what I got: https://imgur.com/a/XrAuqCB
To compare it with Stable Diffusion 3: https://pbs.twimg.com/media/GG8mm5va4AA_5PJ?format=jpg&name=...