Kling 2.6 on Genosai — video and sound in one pass with accurate lip-sync

Kling 2.6 is a video generation model by Kuaishou and the first in the Kling line to create video and sound in a single pass. It generates dialogue, singing, effects and ambience with accurate lip-sync in clips up to 10 seconds from text or a photo. On Genosai it runs online, with no API keys or setup, and sound is toggled on with a single switch.

Updated: July 7, 2026

• Native sound and video — The model creates picture and sound in one pass — no separate dubbing or post-production.
• Accurate lip-sync — The character's mouth shape matches the lines — dialogue, narration and singing look believable.
• Dialogue, singing and effects — Speech, vocals, sound effects and background ambience are generated automatically from the scene description.
• English and Chinese — Native support for speech and singing in English and Chinese with correct intonation and lip-sync.
• Text-to-video and image-to-video — Generate a clip from text or animate an uploaded photo with sound in one request.
• Sound on demand — Audio is optional — a silent generation costs less, while adding sound gives you a finished scene.

Contents

• What is Kling 2.6
• Capabilities
• Examples
• How to use on Genosai
• Prompts
• Generation cost
• How it compares
• Limitations and tips
• FAQ

What is Kling 2.6

Kling 2.6 is a video generation model by Kuaishou (Kling AI), released in December 2025. It holds a special place in the Kling line: it is the first model to create video and sound in a single pass. On Genosai the model is available online, so you do not need API keys or your own infrastructure — generation starts right in the browser.

The main distinction from the previous version is native sound. Where Kling 2.5 Turbo returns a silent clip that you have to dub separately, Kling 2.6 generates picture and audio at once. That changes the whole workflow: instead of the "generate video, then dub in another editor" chain, you get a finished scene with sound right away.

What exactly the model can do for audio. It creates speech and dialogue, singing and vocals, sound effects and background ambience — all from the scene description. The key detail is lip-sync: the character's mouth shape is synchronized with the lines, so talking subjects look believable rather than a silent animation with a track laid over it. English and Chinese are natively supported.

Who is Kling 2.6 for first of all. It is authors of clips with talking characters — from short sketches to ad inserts with voiceover. It is music and video tasks where synchronized singing matters. It is marketers who need a finished clip with sound without editing in a separate tool. Duration is capped at 10 seconds, so for longer scenes with multi-shot editing it is worth looking at Kling 3.0.

Capabilities

Kling 2.6 covers tasks where video needs sound from the start. Below is what the model does confidently in practice.

Synchronized sound and video

The model generates the picture and the audio track in one pass. You describe the scene and lines, and the output is a clip where sound already matches the action: footsteps, surroundings, speech and music play in time with what happens. That removes the separate sound-design and track-assembly step in an editor.

Lip-sync and speech

The talking character's mouth shape is synchronized with the text of the lines. The model handles dialogue and voiceover narration while keeping natural articulation. English and Chinese are natively supported — with correct intonation and speech rhythm, not a mechanical overlay of sound onto a static animation.

Singing and sound effects

Beyond speech, Kling 2.6 generates singing with synchronized mouth movement, plus sound effects and background ambience from the scene context. This is handy for music clips, atmospheric inserts and scenes where the sound environment matters — rain, city, crowd, nature.

Text-to-video, image-to-video and sound on demand

The model works in two modes: generation from a text prompt and animation of an uploaded photo. In both cases sound is optional — you decide whether the scene needs an audio track. The silent variant costs less, so drafts are handy to assemble without sound, then add audio on the final take.

Examples

There are no demo clips on the page yet — video generation is expensive, and we will add them later. The model cover image, however, shows a result typical of Kling 2.6. Below are the typical scenarios teams use the model for:

• A talking character: a short monologue or dialogue with accurate lip-sync — for example, a host presenting a product.
• A music clip: a character sings, mouth movements synchronized with the vocals, a beat playing in the background.
• An ad insert with sound: a 10 second scene with voiceover and sound effects, no editing.
• An atmospheric scene: nature or a city with ready ambience — rain, street noise, wind.
• Animating a photo with sound: an image-to-video portrait delivers a line with synchronized articulation.

Finished clips with sound can be downloaded and used in videos, stories and ads. For silent scenes and a fast draft stream, see Kling 2.5 Turbo.

How to use on Genosai

Launching Kling 2.6 on Genosai needs no technical setup: everything happens in the browser and the model is already connected. Below is the basic path from sign-in to a finished clip with sound.

1. Sign in to your Genosai account and open the video studio.
2. Pick Kling 2.6 from the model list.
3. Choose the mode — generate from text or animate an uploaded photo.
4. Turn on sound if the scene needs speech, singing or effects, and set the duration (5 or 10 seconds).
5. Describe the scene and lines with a prompt: the plot, what the character says, the sound environment.
6. Send the request, then refine the result if you like — change the lines, motion or sound.

Prompts

These templates show how to phrase tasks for Kling 2.6. Replace the text in brackets with your own and state the lines and sound environment explicitly — the model shines most with sound on.

A host [description] looks into the camera and says: "[line]", studio light, accurate lip-sync, speech audio

A singer on stage performs [chorus line], synchronized singing and mouth movement, spotlight, a beat in the background

A dialogue between two characters [scene]: the first says "[line]", the second replies "[line]", voice audio

A rainy city street at night, neon, the sound of rain and footsteps, atmospheric ambience, smooth camera move

Animate the uploaded photo: the subject delivers "[line]" with synchronized articulation, soft light

Product presenter holds [product] and says: "[line]", clean background, studio light, accurate lip-sync, speech audio

An atmospheric scene of [place], background ambience and sound effects from context, cinematic light, 10 seconds

Generation cost

On Genosai Kling 2.6 is priced by clip duration and whether sound is on — you pay for the actual generation, so a silent draft costs less than a voiced scene. The reference points: 5 seconds costs 55 credits without sound and 110 with sound; 10 seconds costs 110 credits without sound and 220 with sound. You choose both parameters before running, so spending is always predictable and not tied to a subscription.

A practical approach is to dial in the scene and motion on silent 5 second takes, then generate the voiced version on the chosen variant. Starter credits after sign-up let you try the model for free, and top-ups are available. See current rates and balance in the Pricing section.

How it compares

Kling 2.6 is the pick for scenes with sound and talking characters. If you do not need sound and want a fast stream of silent clips, Kling 2.5 Turbo is cheaper. For longer scenes up to 15 seconds and multi-shot editing, Kling 3.0 fits. If you need to set character motion from a reference video, look at Kling 2.6 Motion Control. A fast alternative with sound from Google is Veo 3.1 Fast.

All models are available in one Genosai interface, so you can compare them on your task and pick the best by price and quality. A sensible tactic is to keep Kling 2.5 Turbo for silent drafts and take Kling 2.6 for final scenes with speech and music.

Limitations and tips

Kling 2.6 is strong on sound, but it has its limits. Maximum duration is 10 seconds, so long dialogue scenes are assembled from several clips or moved to Kling 3.0 with multi-shot editing. Native speech and singing are supported in English and Chinese — for other languages the result may be less stable. Sound noticeably raises the generation price, so turning it on for every draft is not economical.

Another common trap is not writing the lines and sound environment. If you do not specify what the character says and how the scene should sound, the model fills in the audio for you. Write the lines in quotes, note the emotion and the type of sound — speech, singing, effects, ambience. For lip-sync, keep the character's face well lit and in frame: articulation then reads more accurately.

For the best result, work iteratively: dial in the scene and motion on silent 5 second takes, pick a strong variant and regenerate it with sound and lines. And if a character needs motion set from a reference video, or you need a long scene with cuts, compare the result with Kling 2.6 Motion Control and Kling 3.0 on the same task.

FAQ

What is Kling 2.6 and who built it?

Kling 2.6 is a video generation model by Kuaishou (Kling AI), released in December 2025. It is the first model in the Kling line to generate video and synchronized sound in a single pass. On Genosai it is available online with no separate subscription or API keys.

How does Kling 2.6 differ from Kling 2.5 Turbo?

The main difference is native sound. Kling 2.6 creates video and audio at once, with accurate lip-sync, while Kling 2.5 Turbo returns a silent clip. That removes the separate dubbing step: dialogue, singing and effects appear together with the picture.

What exactly can it generate for sound?

Kling 2.6 generates speech and dialogue, singing, sound effects and background ambience from the scene description. The character's mouth shape is synchronized with the lines. English and Chinese are natively supported for speech and vocals.

How much does one Kling 2.6 generation cost?

On Genosai the price depends on duration and whether sound is on: 5 seconds costs 55 credits without sound and 110 with sound; 10 seconds costs 110 and 220 credits respectively. You pay for actual generations, with no subscription.

Can I turn sound off to save credits?

Yes. Sound in Kling 2.6 is optional. A silent clip costs half as much, so drafts and scenes without dialogue are handy to assemble without audio, then add sound on the final variant.

Do I need API keys to use the model?

No. Genosai gives access to Kling 2.6 right in the browser — no API keys or infrastructure setup. Just sign in to Genosai and pick the model in the video studio.

Try Kling 2.6 on Genosai