Film · Model Watch
Kling 4.0 stretches AI video to 30 seconds with more reference control
The important Kling 4.0 update isn’t simply better-looking video. It gives creators more material and more points of control before the model starts generating.
Reporting updated Sep 29, 2026
THE TAKEAWAY
The important Kling 4.0 update isn’t simply better-looking video. It gives creators more material and more points of control before the model starts generating.
What Happened
Kling AI announced Kling 4.0 on September 28, with the full model scheduled for October and Kling 4.0 Flash entering limited early access. The new generation can produce videos as long as 30 seconds in a single generation, doubling the kind of duration that has traditionally forced AI filmmakers to break scenes into many short clips. Kling says creators can use up to 15 multimodal reference assets, including as many as 10 images and five video clips, while maintaining multiple referenced subjects. It also supports up to 10 keyframes for shaping a sequence across time. Output options include 4K and 1080p in 10-bit HDR. Kling is also highlighting better handling of fast movement, continuous action, tracking and orbiting camera moves, along with improved audio and stereo sound.
Why It Matters
AI-video models keep getting better at beautiful individual moments. Longer scenes are harder. Characters need to remain recognizable. Blocking has to make sense from one beat to the next. Camera movement has to remain coherent. The model has to remember what happened several seconds ago. Thirty seconds does not solve filmmaking continuity, but it gives creators a much larger canvas before they need to hide a generation boundary with a cut. The expanded references and keyframes could matter even more. They give a director more ways to tell the model what must remain consistent instead of hoping a long prompt will carry everything.
VEYR Angle
Kling 4.0 is another sign that AI video is moving from prompt → clip toward references + timing + direction → shot. That is the right direction for creators. The full 4.0 model is not broadly available yet, so VEYR is not treating the announced specifications as proof of production reliability. The real test starts when filmmakers can push the model through repeated characters, long camera moves and multi-shot sequences of their own.
