00016-3878770009.png -

: Look for whether it was made with SDXL , SD 1.5 , or a custom model like Pony Diffusion or Realistic Vision .

Since I cannot see the specific image file you are referencing, 1. Extracting the Metadata (The "Recipe") 00016-3878770009.png

: If the image has a very specific character or art style, the metadata will list "LoRAs" (small sub-models) that were active. 4. Reverse Image Search : Look for whether it was made with SDXL , SD 1