Release dates
— Kuaishou launched Kling 4.0 on 2026-10-15. It supports single-pass video generation up to 30 seconds, up to 15 mixed reference assets, and up to 10 keyframes. API access and 4K/1080p output are planned for later. ↗
Kling 4.0
Kuaishou launched the Kling 4.0 video-generation model on 2026-10-15. It generates up to 30 seconds per pass, with up to 15 combined image, video, subject, and voice references and up to 10 keyframes.
Kuaishou announced that Kling 4.0 officially launched on 2026-10-15 and is integrated with Kling MCP and CLI. API access for enterprises and developers, along with 4K/1080p and 21:9 output, is planned for later; no API ID or open weights have been announced.
MODEL NUMBER256
- First public date
- 2026-10-15
- Organization
- Kuaishou
- Family
- Kling
01
Specifications
Only published specifications are shown.
02
Overview
Why it mattered
As Kuaishou Kling’s next-generation video model, Kling 4.0 extends single-pass duration and strengthens large-motion continuity, complex camera work, multi-asset references, and keyframe control. The originator has not published an API ID, parameter count, or weights; no architecture or weight inheritance is inferred.
PreviousKling AI 3.0— · — ctx
CurrentKling 4.0— · — ctx
04
Architecture & capabilities
Model capabilities
Video generationComplex motionCamera controlMulti-shot narrativeMulti-referenceLong video
05
Release history
Kuaishou launched Kling 4.0 on 2026-10-15. It supports single-pass video generation up to 30 seconds, up to 15 mixed reference assets, and up to 10 keyframes. API access and 4K/1080p output are planned for later.
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Related models
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07
Sources
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