Model
Kling 4.0
Next-generation Kling video model developed by Kuaishou.
Variants
Kling 4.0 & Kling 4.0 Flash
Kling 4.0 Flash opened for a limited group on September 28 and is live for Kling Ultra Yearly subscribers.
Release
October 2026
Kling says Kling 4.0 is coming this October.
Duration
3–30s
Native single-pass generation up to 30 seconds. Video extension up to 2 minutes is coming soon.
Resolution
720p · 1080p · 4K
10-bit HDR on 1080p and 4K is coming soon. Aspect ratios: 21:9, 16:9, 1:1, 9:16 or smart.
References
Up to 15 multimodal
Up to 10 images, 5 videos (30s total) and 7 subjects per task.
Keyframes
Up to 10
Plus text-to-video, image-to-video and first/last frame.
Audio
Stereo + lip sync
Dual-channel stereo audio with more accurate lip sync.
Languages
9+ languages
Chinese, English, Japanese, Korean, Spanish, Portuguese, German, French, Hindi and more, plus accents such as American, British and Indian English.
On Topview
Coming soon
Prompts up to 8,000 tokens. Topview pricing and availability will be confirmed at launch.