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Kling 4.0 is a product launch from a generative video model, and the most useful details for practitioners are the concrete specs: up to 30 seconds of native output per pass, 10-bit HDR, 4K and 21:9 support, and claimed gains in stability for high-motion scenes and complex camera moves. Those are self-reported capabilities, so independent evaluations of temporal consistency, motion artifacts, and prompt adherence will matter more than the headline numbers. Readers tracking video generation should watch whether the single-pass duration holds up in real workflows.

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Kling AI Launches Kling 4.0, Supporting 10-bit HDR and 30-Second Native Output, Setting a New Benchmark for Video Models

36KrOctober 16, 20261 min read

According to 36Kr, Kling AI launched Kling 4.0, a new generation of its video generation model, on October 15. In terms of core capabilities, the model can natively generate up to 30 seconds in a single pass (with text input of up to 8,000 tokens), supports up to 10-bit HDR and 4K and 21:9 ultra-wide aspect ratio output, and has improved the stability of its performance with high-dynamic and complex camera movements.

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