
Dec 20, 2025•2 min read
Luma releases a new AI model that lets users generate a video from a start and end frame
Luma, the a16z-backed AI video and 3D model company, released a new model called Ray3 Modify that allows users to modify existing footage by providing character reference images that preserve the performance of the original footage. Users can also provide a start and an end frame to guide the model to generate transitional footage.