Kuaishou Kling previews Kling 4.0, with the full version and API planned to October launch

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Kling 4.0 extend a single video to 30 seconds,October launch

Dongcha Beating AI news flash: Kuaishou Kling previews Kling 4.0, with the full version scheduled to go October live. Kling 4.0 Flash has already been opened for trial use by Black Gold annual-card members. The new version increases the maximum length of a single native video to 30 seconds, while Kling 3.0 previously maxed out at 15 seconds.

Control capabilities have also been further enhanced. Kling 4.0 supports up to 10 keyframes, allowing users to preset character states, scene changes, and plot points. Images, videos, and subjects can also be combined as inputs, with up to 15 multimodal references supported per generation.

Video editing is also more granular. Users can directly modify the characters, backgrounds, weather, colors, materials, and shots in the original video. They can also use another video as a reference, reuse its camera movements, actions, and narrative rhythm, and generate new content.

Audio and visual capabilities have been upgraded in parallel. Kling 4.0 supports dual-channel stereo and enhances complex camera movements, lip-sync, and multilingual dialogue. 10-bit HDR output is also planned for and 1080p, but is not yet available.

Videos also support multiple extensions, with a maximum extension length of 2 minutes; this feature has likewise not yet launched. Kling 4.0 Flash focuses on faster generation and lower costs, but the official team has not yet announced specific pricing or speed data. The full version and API are both scheduled to launch in October.

Original article link https://m.theblockbeats.info/flash/369521

Key points

Kuaishou Kling previews Kling 4.0, with the full version planned to go live on October.
Kling 4.0 Flash has been opened for trial use by Black Gold annual-card members.
Kling 4.0 The maximum length of a single native video is 30 seconds, while Kling 3.0 previously maxed out at 15 seconds.
Kling 4.0 supports up to 10 keyframes, with up to 15 image, video, and subject multimodal references supported per generation.
Kling 4.0 supports modifying the characters, backgrounds, weather, colors, materials, and shots in the original video, as well as referencing the camera movements, actions, and narrative rhythm of another video.
Kling 4.0 supports dual-channel stereo and enhances complex camera movements, lip-sync, and multilingual dialogue.
The 10-bit HDR output for and 1080p, as well as the multiple-extension feature with a maximum extension length of 2 minutes, is not yet available.
The official team has not yet announced specific pricing or speed data for Kling 4.0 Flash.
The full version and API are both planned to launch on October.

AI-assisted interpretation

The following is analysis, separate from reported facts. Verify important claims independently.

Kling 4.0 is a new version previewed by Kling. It is planned to increase the maximum duration of a single generated video from the previous 15 seconds to 30 seconds, and provide more keyframes and multimodal references. Some image-quality, video-extension, and API features have not yet been released or lack specific information.

Why it matters to readers

If the relevant specifications are implemented as planned, users will be able to create longer videos and exercise more precise control over characters, scenes, shots, and reference content.

Beginners should focus on three main changes: longer single-video duration, changes to the available keyframe settings, and the ability to mix images and videos as references. Pricing, speed, and some advanced features still await official information.

Risks and unknowns

The report does not provide a link to the original official announcement from Kuaishou Kling.
The official version and API actual launch date have not yet been confirmed.
Some announced features are still planned or have not yet been released.
Specific pricing, generation speed, and actual generation quality have not yet been announced.

Kuaishou Kling previews Kling 4.0, with the full version and API planned to October launch

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