AI Relight is a plugin for After Effects and Premiere Pro that adds customizable virtual lights to any footage in post. It understands the 3D properties of your footage and lets you add fake 3D lights. According to the developer, it gives you the advantage of a 3D model in an instant and can boost the ambiance of a shot.
You can control how light bounces over the X, Y and Z directions, and animate the position and color of individual lights. AI Relight can also render only the lights for creative use.
Version 1.1 added support for Premiere Pro 2025, alongside After Effects 2022 through 2025, and the plugin also runs on Mac after an earlier update. Recent updates have brought bug fixes and performance improvements. A demo video is available.