Kling 4.0 Is Here Create AI Video from Text & Images
Create 3–30 second videos from text or images at 720p or 1080p, with up to 10 keyframes and stereo audio. Select Kling 4.0 in the generator and review the quote. Sign-in and paid credits are required.
AI Video Inspiration
Creative references, not verified Kling 4.0 outputs. Adapt a prompt to your selected model; results will vary.
What is Kling 4.0?
Kling 4.0 is a video model available here through APIMart as kling-v4. Our integration supports text-to-video, image-to-video and ordered keyframes at 720p or 1080p for 3–30 seconds, with stereo audio. The illustrations are creative references, not verified Kling 4.0 results.
3–30 seconds
Choose Your Clip Length
- Integer durations from 3 to 30 seconds
- One video per standard submission
- Extend a source video by 3–30 seconds
Up to 10 frames
Guide the Visual Sequence
- Start with a first-frame image
- Add up to 8 ordered middle frames
- Optional last frame; 10 frame images total
720p / 1080p
Two Output Resolutions
- Choose 720p or 1080p before generating
- 16:9, 9:16, 1:1 and 21:9 options
- No Kling 4.0 4K mode on this site
Stereo sound
Sound Included
- Stereo audio is generated with the video
- Describe ambience and sound in your prompt
- Image, video and audio references in Omni mode
Kling Models: Available Controls
Compare the controls available on this website. Flash has not been integrated; it is not an alternative name for Seedance Fast.
| Feature | Kling 4.0 | Kling 4.0 Flash | Kling 3.0 |
|---|---|---|---|
| Duration | 3–30s | Not integrated | 3–15s |
| Resolution | 720p / 1080p | Not integrated | 720p / 1080p / 4K |
| Keyframes | First + up to 8 middle + optional last | Not integrated | First and last frame |
| Other references | Up to 10 images, 5 videos and 3 audio clips; 15 files total | Not integrated | Up to 3 Elements |
| Audio | Stereo, always included | Not integrated | Optional native audio |
| Storyboards | Ordered frame images; no shot-duration editor | Not integrated | Up to 6 timed shots |
| Video editing / extension | Edit or extend one source video | Not integrated | Not offered on this model page |
Kling 4.0 Input Limits
Use ordered keyframes or Omni references to guide a video. Video references may total up to 30 seconds; audio clips must be 5–30 seconds. Editing accepts one 3–30 second source; extension accepts one source and an optional last frame. Kling Image 4.0 and Elements are not integrated.
Kling 4.0 vs Seedance 2.5: Compare the Controls
These are website controls, not a quality ranking. Match your prompt, inputs and settings before comparing outputs.
| Core dimension | Kling 4.0 | Seedance 2.5 |
|---|---|---|
| Duration | 3–30s | 5–30s |
| Images | First, middle and last frames; up to 10 total | Model-specific reference inputs |
| Resolution | 720p / 1080p | 480p / 720p / 1080p |
| Quality checks | Review motion and visual consistency in your result | Use the same inputs for a fair comparison |
| Audio | Stereo audio included | Review the selected audio configuration |
| Video editing | Edit or extend one source video | Not offered in this generator |
| Cost | Paid credits; quote before submission | Quote for the selected settings |
Kling 4.0 AI Video Generator Use Cases
Plan short scenes, product concepts and social clips with the settings available here. Images illustrate ideas rather than verified model results.
Kling 4.0 for AI Short Films & Drama
Plan a 3–30 second scene around one action. Use ordered keyframes to guide visual changes, then review continuity in the result.
Create with Kling 4.0Kling 4.0 for Ads & TVC
Animate a product first frame at 720p or 1080p. Add an optional final frame to suggest the closing composition; inspect logos and text before publishing.
Create with Kling 4.0Kling 4.0 for E-commerce Product Video
Test a product angle or camera move with your own images. Review shape, packaging, visual artifacts and input rights before commercial use.
Create with Kling 4.0Kling 4.0 for Social Media Content
Select 9:16 for vertical clips and describe the action and sound. Choose 3–30 seconds, review the quote and check the full result before sharing.
Create with Kling 4.0Control Your Kling 4.0 Workflow
Supported frame inputs, clear settings and a quote before you generate.

Ordered Keyframes
Guide the beginning, middle and end with your own images. Visual consistency depends on the inputs and generated result.

Choose Duration and Resolution
Set 3–30 seconds at 720p or 1080p, with stereo audio included. Check movement and sound in the completed video.

Visible Credit Cost
Kling 4.0 starts at 85 paid credits for 720p, 3 seconds. The quote updates with your duration and resolution.
Website Generation and API Access
Kling 4.0 is available in the website generator. Our legacy public API does not accept kling-v4; its documentation lists the supported identifiers. See /docs/api
# Legacy public API example: Kling 2.6, not Kling 4.0
curl -X POST 'https://kling-4.ai/api/ai-video/jobs' \
-H 'x-api-key: YOUR_API_KEY' \
-H 'Content-Type: application/json' \
-d '{
"model": "kling-v2-6",
"prompt": "A cinematic sunrise over a glass city, slow drone",
"parameters": { "duration": 10, "aspectRatio": "16:9" }
}'Kling 4.0 Guides
Kling 4.0 — Frequently Asked Questions
Yes. Select Kling 4.0 (kling-v4), then use text, a first-frame image or ordered keyframes. Choose 720p or 1080p and 3–30 seconds. Sign in and review the paid-credit quote before submitting.
Kling 4.0 currently requires enough paid-source credits to cover the entire order. Its lowest quote is 85 credits for 720p, 3 seconds, above our free-generation cost limit. Eligible daily credits can be used with other models within their limits and expire at 00:00 UTC.
Kling 4.0 supports text, ordered keyframes, image/video/audio references, video editing and extension at 720p or 1080p. Choose 3–30 seconds of output or added footage; Edit can follow the input duration. Flash, 4K, 120-second generation, Elements and Kling Image 4.0 are not integrated.
Each Kling 4.0 submission creates one video. To make another variation, review the settings and quote and submit a new task. A membership does not add a multiple-output control to this Kling 4.0 integration.
kling-4.ai is an independent video creation platform. For publisher announcements and official product information, consult Kling AI directly.
Start Creating with Kling 4.0
Enter a prompt, choose your settings and generate your next video.


