[Bg2] Kling AI Video Generator

Kling 4.0 is Kuaishou Kling’s new flagship AI video model, paired with its lightweight Kling 4.0 Flash variant. The flagship can natively generate up to 30-second 4K 10-bit HDR clips, extendable to around 2 minutes. It supports up to 10 keyframes for narrative control and mixed image, video and subject references to maintain consistent character and product appearance. It adds native stereo audio and multi-language lip sync, renders sharp text inside videos and stabilizes fast-moving shots. Prompt length reaches 8000 tokens for long scripts. Flash prioritizes speed and cost efficiency for bulk creative drafts, widely used for ads, short films, social videos and music visuals. https://kling-4.art