kling-video-v4
About kling-video-v4
Kuaishou's new generation video generation model focuses on realism, controllability, and professionalism. It tackles significant dynamic movements and complex camera work, ensuring stable and coherent footage during high-speed motion, tracking, and circular shots; generates 3–30 seconds of native content in a single instance, supporting long takes and continuous narratives. The keyframe mode supports the first frame, last frame, and any intermediate frame on the timeline, with a maximum of 10 frames; the versatile reference single-task can combine up to 15 materials (images, videos, subjects, audio tones), accurately reusing appearance, actions, camera movements, and rhythm, and supports local editing of existing videos for expressions, actions, backgrounds, etc. Audio and visuals are produced simultaneously, with dual-channel stereo and multilingual lip-sync; prompt length up to 8,000 tokens. Outputs in 720p / 1080p, supporting 21:9 ultra-wide aspect ratio, suitable for advertising marketing, film shorts, web series, and e-commerce content creation.
Price by routing group
Pick a group in the console when you create a key. Status is live from the router. Live status by group →
| Group | Group status | Model status | Multiplier | Price |
|---|---|---|---|---|
Kling-3 | … | ×1.6055 | $0.2248 |
Per second · USD per second
Supported endpoints
Call kling-video-v4 in one request
Works with the OpenAI SDK and any OpenAI-compatible client. Replace the key with your own.
Questions about kling-video-v4
How much does kling-video-v4 cost on NixAPI?
Per second: from $0.2248 USD per second in the Kling-3 group. Billing is pay-as-you-go in USD with no monthly minimum.
How do I call kling-video-v4?
Point any OpenAI-compatible client at https://api.nixapi.com/v1, use your NixAPI key and set the model to "kling-video-v4".
Which routing groups serve kling-video-v4?
kling-video-v4 is available in 1 routing groups: Kling-3. The lowest price is in Kling-3.