How do I use Kling 4.0 Flash on NENE Video?

Write a prompt in the box at the top of this page, optionally add one first-frame image, choose a length, sign in and press Generate. Download the MP4 when it finishes.

How long does it take to generate a clip?

It runs in the background and there is no fixed time. You can close the page and find the result under your earlier results when you come back. A generation that has not finished after two hours is ended and its credits are returned.

How many credits does Kling 4.0 Flash cost?

17 credits per second: 5 seconds: 85 credits, 10 seconds: 170 credits, 15 seconds: 255 credits, 20 seconds: 340 credits. The button shows the exact cost before you start. Get credits with a plan or pack on the pricing page.

Can I start from an image?

Yes, with one first-frame image in JPEG, PNG or WebP under 10 MB. The clip follows the image's shape and starts from your image. Only upload images you have the right to use, and never an image of someone without their consent or of anyone under 18.

Is Kling 4 Flash the same as Kling 4.0 Flash?

People write the name both ways. The generator on this page is Kling 4.0 Flash.

Can I use Kling 4.0 Flash on my phone?

Yes. The page works in a mobile browser, the clip plays on the page, and you can download the MP4. HEIC photos are not accepted, so convert them to JPEG, PNG or WebP first.

Can I use the videos commercially?

It depends on the model maker's terms and on your rights to anything you upload. Check Kling's current terms and make sure you may use your first frame before you publish or sell a clip. This is not legal advice.

How is Kling 4.0 Flash different from Kling O3?

Kling positions 4.0 Flash as the faster, better-value Kling 4.0. This page takes only a prompt or one first frame, while the Kling O3 guide on this site describes reference images and source-clip inputs, which are not offered here.

What happens if a generation fails?

The credits are returned to your balance automatically and the result shows that it failed. You can edit the prompt and try again.

What can Kling 4.0 Flash not do on this page?

No 1080p, only 720p MP4. Only 5, 10, 15, 20 second lengths. One first frame at most, with no end frame or multiple keyframes. There is no audio setting. One clip per run.

Kling 4.0 Flash Video Generator

Kling 4.0 Flash on NENE Video turns a written prompt, or a prompt plus one first-frame image, into a 720p MP4 clip of 5, 10, 15 or 20 seconds.

Text or photo to video · Credit cost shown first · Failed tasks refunded

Kling 4.0 Flash

Public examples

Public example

Output: 720p MP4, one clip per run
Length: 5, 10, 15, 20 seconds
Price: 17 credits per second (85, 170, 255, 340)
Prompt: Up to 2,000 characters
Start from: Text only, or one first-frame image
Aspect ratio: 16:9, 9:16, 1:1, 21:9 for text; a first frame sets its own

How to use Kling 4.0 Flash

01
Describe the clip
Write what happens: the subject, the action, the setting and how the camera moves. One clear action reads better than a list of events.
02
Optionally add a first frame
Upload one image to start the clip from it. Without one, the clip is made from your prompt alone and you choose the aspect ratio.
03
Choose the length
Pick 5, 10, 15 or 20 seconds. The button shows the exact credits before you start.
04
Generate and download
Sign in, press Generate, and download the MP4 when it finishes. Your prompt is saved in your browser, so signing in does not lose it.

What Kling 4.0 Flash is

Kling 4.0 Flash is a video model from Kling, which positions it as the faster, better-value Kling 4.0. It outputs 720p MP4 and supports clips from 3 to 20 seconds.

This page offers four lengths: 5, 10, 15, 20 seconds. It starts a clip from text, or from a single first frame. There is no end frame and no multi-image keyframe input here.

Kling 4 Flash: text mode and first-frame mode

Kling 4 Flash is how many people write the name; this page runs Kling 4.0 Flash. In text mode you choose 16:9, 9:16, 1:1 or 21:9. In first-frame mode the clip follows the shape of your image, so the ratio control disappears.

When you add a first frame, the clip starts from your image.

Kling 4.0 Flash credit cost by length

Every length costs 17 credits per second: 5 seconds: 85 credits; 10 seconds: 170 credits; 15 seconds: 255 credits; 20 seconds: 340 credits. The price is the same with or without a first frame.

Kling 4.0 Flash settings and limits on this page

720p only, MP4 only, one clip per run. Prompts are limited to 2,000 characters, and a first frame can be a JPEG, PNG or WebP under 10 MB.

The page has no audio setting, no 1080p and no end frame, so plan any sound and finishing in an editor. Faces, hands, small text and motion should be checked in playback before you use a clip.

Kling 4.0 Flash compared with Kling O3

Kling O3 is covered by a guide on this site, which describes inputs such as reference images and source clips. Kling 4.0 Flash on this page takes only text or one first frame.

Read the Kling O3 guide if your project starts from a reference set or a source clip.

Kling 4.0 Flash FAQ

How do I use Kling 4.0 Flash on NENE Video?: Write a prompt in the box at the top of this page, optionally add one first-frame image, choose a length, sign in and press Generate. Download the MP4 when it finishes.
How long does it take to generate a clip?: It runs in the background and there is no fixed time. You can close the page and find the result under your earlier results when you come back. A generation that has not finished after two hours is ended and its credits are returned.
How many credits does Kling 4.0 Flash cost?: 17 credits per second: 5 seconds: 85 credits, 10 seconds: 170 credits, 15 seconds: 255 credits, 20 seconds: 340 credits. The button shows the exact cost before you start. Get credits with a plan or pack on the pricing page.
Can I start from an image?: Yes, with one first-frame image in JPEG, PNG or WebP under 10 MB. The clip follows the image's shape and starts from your image. Only upload images you have the right to use, and never an image of someone without their consent or of anyone under 18.
Is Kling 4 Flash the same as Kling 4.0 Flash?: People write the name both ways. The generator on this page is Kling 4.0 Flash.
Can I use Kling 4.0 Flash on my phone?: Yes. The page works in a mobile browser, the clip plays on the page, and you can download the MP4. HEIC photos are not accepted, so convert them to JPEG, PNG or WebP first.
Can I use the videos commercially?: It depends on the model maker's terms and on your rights to anything you upload. Check Kling's current terms and make sure you may use your first frame before you publish or sell a clip. This is not legal advice.
How is Kling 4.0 Flash different from Kling O3?: Kling positions 4.0 Flash as the faster, better-value Kling 4.0. This page takes only a prompt or one first frame, while the Kling O3 guide on this site describes reference images and source-clip inputs, which are not offered here.
What happens if a generation fails?: The credits are returned to your balance automatically and the result shows that it failed. You can edit the prompt and try again.
What can Kling 4.0 Flash not do on this page?: No 1080p, only 720p MP4. Only 5, 10, 15, 20 second lengths. One first frame at most, with no end frame or multiple keyframes. There is no audio setting. One clip per run.

Related tools and guides

Model facts attributed to Kling are from its announcement and may have changed. Check Kling for current terms. Your results depend on your prompt and inputs.