Steve-robee Hi there! I would say that the GrapheneOS' Camera quality is fine, although Google Camera is better in most cases.
What I personally do is use the GrapheneOS Camera most of the time, and I have a specific Google Camera profile for when I want to take a picture of something special, just to have the option.
There's a relatively recent comparison of the two apps from Sideofburritos on YouTube, if you're interested: