How Long Does AI Photo Relighting Actually Take?
AI photo relighting typically finishes faster than AI video generation, but still takes noticeably longer than a simple filter, since the model is doing genuine reconstructive work on the image.
Why it's not instant
Rebuilding believable new lighting — shadows, highlights, a glowing rim light — requires the model to interpret the photo's actual structure first, not just adjust existing pixel colors the way a basic filter does.
What affects the wait
Image resolution and how busy the underlying AI service's servers are at that moment both affect generation time, which is why results can feel faster or slower depending on when you use the app.
What to do while you wait
Most apps let you lock your phone or switch to something else while the result generates in the background, then show it to you when you return.
Is a longer wait a sign of a better result?
Not necessarily — wait time is mostly about server load and image size, not directly correlated with output quality.