Kuaishou Kling 4.0
Kuaishou's unified video model: clips of up to 30 seconds at 1080p with native audio, from text, first and last frames, reference images and videos, or a prompt that edits a source clip.
From Kuaishou, Kling 4.0 is a cloud video-generation model. It produces short video clips from a text prompt. Clips run up to 30s at 1080p. It also supports reference images. It runs through Runware using your own API key, from about $0.157 per second of output.
- Released
- Oct 2026
- Pricing
- $0.157 per second
- Max resolution
- 1080p
- Aspect ratios
- 16:9, 9:16, 1:1 +1 more
- Clip length
- Up to 30s
Samples
Generated with Kling 4.0 via Runware. The same two prompts run against every video model in the catalog (one landscape, one portrait), so the only thing that changes between two models’ clips is the model.
Camera motion, scene coherence over time
Fluid motion, fine detail, temporal stability
Kuaishou
Kuaishou builds the Kling family of cinematic video models — high-resolution clips with native audio, lip sync, and multi-shot storytelling.
klingai.com ↗Kuaishou's Kling Image 3.0 model for consistent text-to-image and single-reference image editing at 1K or 2K.
Kuaishou's multi-reference Kling Image 3.0 Omni model with native 2K and 4K output from text and up to ten reference images.
Kuaishou's Kling sound effects model, generating 3 to 10 second clips from a short text description.
Kuaishou's Kling text-to-speech model, reading up to 1,000 characters aloud in English or Chinese system voices.
Kuaishou's cinematic video model generating clips up to 1080p with native audio, lip sync, and sound effects from text or images.
Kuaishou's faster Kling 3.0 tier, generating 3 to 15 second clips up to 1080p with native audio from text or a first frame.