Kling 4.0 Guide

Kling 4.0 is the latest video generation model from Kling AI, which is part of Kuaishou. It was announced on September 28, 2026, and a full release is planned for October 2026.

The big step in Kling 4.0: longer, more controlled shots from a single generation.

Kling 4.0 Flash

A lighter version in limited early access since September 28, first for Ultra yearly subscribers

Kling 4.0

Rolling out in stages through October 2026

API

Does not offer Kling 4.0 or 4.0 Flash yet, as of mid-October

Some reports say Flash is capped at shorter, lower-resolution clips. See what your Kling account shows.

30-second clips

As long as 30 seconds from one generation

Keyframes

Set up to 10 keyframes on the timeline to steer the shot and camera

Omni Reference

Draw on up to 15 reference assets for characters, products, and scenes

Resolution

Up to 4K

Audio

Stereo sound and multilingual lip-sync

• 10-bit HDR output
• Clip extension to as long as two minutes

Kling marks these as coming soon, so do not build projects around them yet.

Kling has not yet published per-video credit costs for Kling 4.0 or 4.0 Flash. It sells monthly and yearly plans with credits, and early access began with the top Ultra yearly plan. Check Kling’s membership page for current plans before you buy.

• Plan each shot as a mini scene with a beginning, middle, and end
• Place keyframes on key moments, such as a reveal or a turn
• Stick to one main subject and one location per clip
• Describe the camera movement plainly

• Subject and action
• Setting, lighting, and time of day
• Camera: the shot type and its movement
• Style and mood
• Sound, with dialogue in quotes

A chef plates a dessert in a busy restaurant kitchen at night, slow push-in to a close-up of the plate, warm light, steam and clattering pans, the chef calls “Service!”, cinematic and realistic.

• Upload clear shots of your character from several angles
• Add product shots with legible labels
• Reuse the same references in every clip
• Name each reference’s role in your prompt

• Product ads of up to 30 seconds
• Short film scenes
• Shots for music videos
• Social clips with spoken dialogue
• Brand stories featuring consistent characters

• Use only faces and references you have permission for
• Never create misleading videos of real people or events
• Respect copyrighted brands and characters
• Label realistic AI video wherever platforms require it
• Confirm the commercial-use rights on your plan