Kling 4.0

Text prompts and starting frames

A written prompt can carry the entire brief, or an uploaded first image can anchor how the scene looks. Both paths sit in the same Kling 4.0 AI Model panel.

End-frame direction

Reference uploads may be PNG, JPG, JPEG or WEBP files, and an ending frame can guide the final composition of an image-based shot. The provider adapts the clip's proportions to those images.

Duration, resolution and audio

Output length is selected from 5–30 seconds, with 720p, 1080p, or 4K available; audio can be enabled for dialogue or atmosphere. Generator settings such as 480p, Adaptive and a ×1 control are visible alongside the prompt.

Credit estimate before submission

The generator displays the total cost in credits before a run starts. That figure depends on duration and resolution, and sound shifts the per-second rate at 720p and 1080p; failed tasks use the existing credit-refund workflow.

Preview and saved generations

Clips appear in the result panel for review, and earlier runs stay in My Creations. Selected videos can be downloaded, while useful prompt versions are kept for later refinement.

• Product marketers: Build a short reveal from a clear product image, then verify labels, proportions and branding in the result.
• Story teams: Explore a scene from a script to compare framing and pacing before deciding which idea deserves more production time.
• Social publishers: Develop an opening hook whose main action stays readable on a small screen and matches the publishing format.
• Campaign planners: Compare visual directions for one brief while retaining the same reference assets.
• Motion students: Study light and composition with short scene studies before planning a complete sequence.

What is Kling 4.0?

It is a video generation model available in this workspace, used to develop a scene from text prompts or first and last frames before reviewing and refining the output.

How long can a Kling 4.0 video be?

Output here ranges from 5 to 30 seconds; a shorter run is a practical way to explore a new idea before creating a longer version.

Which images can be uploaded?

JPG and PNG frames up to 10MB each are accepted as a first frame and an optional ending frame, and the clip follows the proportions of those files.

Can it use video or audio references?

This workspace supports text and first/last-frame generation only; it does not expose Motion Control, O3, element references, or a separate multi-shot editor.

How are credits calculated?

The estimate depends on duration and resolution, and at 720p and 1080p the per-second rate shifts when sound is on; the total appears before submission and failed tasks follow the credit-refund workflow.

Will every detail be reproduced?

Results can vary between attempts, so faces, hands, text, motion and sound need checking; clear references and targeted prompt changes help when refining a clip.

Is there a free plan?

The published plans are paid yearly subscriptions (Basic, Plus and Pro Yearly), with credits unlocked in full on day one.

• Open the Kling 4.0 AI Model panel and pick Text to Video or Image to Video.
• For an image-based shot, upload a JPG or PNG first frame and add an ending frame if the final composition matters.
• Write a prompt with a clear subject, action and setting, plus camera position and lighting where relevant.
• Set the duration, output resolution and whether sound should be included, then check the displayed credit cost.
• Press Generate Video and review the clip in the result panel.
• Adjust the prompt or the reference images and generate again when details need work; save useful versions in My Creations.