Kling 4.0 generates up to 30 seconds of video in a single pass, rendered natively in 4K or 1080p. Guide each result with up to 15 reference assets and as many as 10 keyframes, and get two-channel stereo audio with precise lip sync built in. Targeted editing changes a specific region or moment without regenerating the whole clip, and 21:9 widescreen output suits cinematic storytelling. Use it for short videos, product ads, music videos and film-style scenes. Try Kling AI for free.
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