Models · Updated 19 Oct, 11:06 pm IST
Kling AI releases version 4.0 with stereo audio and faster Flash variant

Why it matters for readers: You can now generate longer, higher-fidelity clips with better audio and multilingual lip-sync using more reference material.
- Kling AI 4.0 adds stereo audio and multilingual speech lip-sync capabilities.1
- The update supports up to 30 seconds of video in a single generation and up to 8,000-token prompts.1
- An upgraded Omni Reference system accepts up to 15 reference assets including images, videos and other elements.1
- A Creative Recreation feature lets users reuse existing videos as templates and swap out elements like products or characters.1
- Kling 4.0 includes a fast Flash variant aimed at closing the gap between AI-generated and professional video, but in comparisons it matches rather than clearly surpasses rivals Wan 3.0 and Seedance 2.5.1
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