Kling 4.0 is the latest video model from Kling AI. It creates videos from a photo or from text, generates matching sound automatically, and supports first and last frame control.

How is Kling 4.0 different from Kling 3.0?

Kling 4.0 always generates audio together with the video and focuses on first and last frame control for precise starts and endings. Kling 3.0 is still available if you need its smart multi-shot storyboard.

Can I turn the audio off?

No. Kling 4.0 always produces a soundtrack with the video. You can mute or replace it in any video editor after downloading.

What lengths and resolutions are available?

You can create 5, 10 or 15 second videos in 720p or 1080p.

Which aspect ratios are supported?

For text-to-video you can choose 16:9, 9:16, 1:1 or 21:9. For image-to-video the video follows the shape of the image you upload.

How many credits does Kling 4.0 use?

Kling 4.0 is billed per second of video, and 1080p costs more than 720p. The exact credit cost is shown before you click generate.

AI-Powered

Kling 4.0 AI Video Generator | Native Audio & First-Last Frame Control

Turn photos or text into cinematic videos with Kling 4.0. Upload a starting image, optionally add an ending image, and describe the motion. Every clip comes with synchronized sound, in 720p or 1080p, up to 15 seconds long.

Create with Kling 4.0

kling 4.0 native audio | The chef ladles rich broth into a bowl and slides it across the counter. He smiles and says warmly, "Here you go, extra hot!" The woman laughs and replies, "It smells amazing!" Bubbling broth, clinking bowls and quiet restaurant chatter. Slow push-in, warm cinematic lighting.

kling 4.0 first & last frame | Time-lapse of one day on this street corner. The shutters roll up, the florist carries out buckets of flowers, people pass by in fast motion, and the sky shifts from morning blue to golden hour to night as the warm shop lights and string lights switch on. Static camera. Birdsong and morning ambience gradually turn into evening chatter.

kling 4.0 text to video | Aerial drone shot gliding over dramatic sea cliffs at sunset. Huge waves crash against dark rocks, sending white spray into the golden light while seabirds circle. The camera slowly rises to reveal a lone lighthouse on the cliff edge. Roaring waves, wind, and a soft cinematic orchestral swell.

Prompt: The chef ladles rich broth into a bowl and slides it across the counter. He smiles and says warmly, "Here you go, extra hot!" The woman laughs and replies, "It smells amazing!" Bubbling broth, clinking bowls and quiet restaurant chatter. Slow push-in, warm cinematic lighting.

Why Creators Choose Kling 4.0

Native Audio in Every Clip: Kling 4.0 generates sound together with the picture. Footsteps, ambience, music and dialogue follow the action on screen, so your video is ready to post without a separate audio pass.
First and Last Frame Control: Upload the image your video should start from and, if you like, the image it should end on. Kling 4.0 animates the journey between them, which makes transitions, reveals and before-and-after stories easy to plan.
720p or 1080p, Up to 15 Seconds: Pick 720p for quick drafts or 1080p for sharper final cuts, and choose 5, 10 or 15 seconds to match the story you want to tell.
Text-to-Video in Four Formats: No photo? Describe the scene and Kling 4.0 builds it from scratch in 16:9, 9:16, 1:1 or ultra-wide 21:9, ready for YouTube, TikTok, Instagram or a cinematic banner.

What You Can Create

Social Media Clips

Make vertical 9:16 videos with built-in sound for TikTok, Instagram Reels and YouTube Shorts.

Product Showcases

Animate a product photo into a smooth reveal, then end on a clean hero shot using the last-frame option.

Before and After Stories

Set a before image as the first frame and an after image as the last frame to show a transformation in one shot.

Photo Memories

Bring family photos and travel snapshots to life with natural motion and ambient sound.

Ads and Promos

Produce short 1080p spots with matching audio for campaigns, landing pages and paid social.

Storyboards and Concepts

Turn a written idea into a moving scene to test shots, pacing and mood before a real production.

AI Image to Video

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Kling 4.0 AI Video Generator | Native Audio & First-Last Frame Control

Why Creators Choose Kling 4.0