Kling 4.0 Flash Reference to Video

Kling 4.0 Flash Reference to Video is Kwaivgi's multi-reference video model: generate a coherent 720p video from a prompt plus multi-reference assets, locking subject identity across shots. Up to 10 reference images, up to 5 reference videos (each 3-20s, combined with element videos within a 20s budget), and up to 7 elements (a frontal image, 1-3 multi-angle references, or a 3-8s element video); voices not accepted. Aspect ratio auto/16:9/9:16/1:1/21:9; audio generated natively.