Photoshop 2024 Generative Fill Resolution. However, it's very low resolution, so it's not actually applicable to commercial use images as they tend to be high resolution. Generative fill is now commercially approved and uses adobe stock data.

Currently, generative fill can only generate fills at a maximum resolution of 1,024 x 1,024 pixels. But unfortunately, it outputs images that are 1024px on the longer side.