[Zopieux]

Not great. The inpainted areas are, as usual, very smooth compared to the detailed, "high frequency" look of natural photos.

Barely useful enough to erase things in thumbnails.

[vunderba]

This and these are cherry-picked examples. The one removing that high tension wire in the nature photo is especially bad. You can literally see the band where it erased it. Even the standard restore tool in Photoshop from years ago can do a comparable job.