Kwaivgi Kling V2.6 Pro Text To Video

Playground

Kling 2.6 Pro: Top-tier text-to-video generation with unmatched motion fluidity, cinematic visuals, and exceptional prompt precision, offering superior quality at an unbeatable value, and native audio generation.

Features

Kling 2.6 Audio Model - Text to Video

Kling 2.6 introduces audio–video co-generation for the very first time, pairing superb visuals with natural, native audio to deliver a fully coherent, immersive experience — more than just a video clip.

Model Highlights

Audio–video co-generation introduced for the very first time in the Kling series.
Voices that sync flawlessly with the character — natural, native, and instantly immersive.
Generates an entire experience, not just a clip — coherent looking & sounding output that opens up rich narrative possibilities.
When superb visuals are paired with natural voiceovers, matching sound effects, and immersive ambient sounds, the 2.6 model generates coherent looking & sounding outputs as an entire experience — more than a video clip.

Aspect Ratios

Kling 2.6 supports the following aspect ratios:

16:9 – Standard landscape video (YouTube, web, most displays)
9:16 – Vertical video (TikTok, Reels, Shorts, Stories)
1:1 – Square video (feeds, social posts, ads)

Use Cases

Marketing and launch videos with native, character-synced voiceover.
Storytelling and narrative content where visuals and audio must feel like one.
Product explainers and demo videos with both strong visuals and natural narration.
Cinematic social media content with immersive ambient sound and effects.

Price

Without Audio 5s video – $0.35
Without Audio 10s video – $0.70
With Audio 5s video – $0.70
With Audio 10s video – $1.40

How to Use

Describe your desired scene, characters, motion, and audio mood (voiceover tone, ambience, SFX).
Choose an aspect ratio (16:9, 9:16, or 1:1) and configure video duration (e.g., 5s or 10s).
Run generation to create a coherent audio–video experience — See the Sound, Hear the Visual.
Refine and regenerate as needed for alternative versions or platforms.

Authentication

For authentication details, please refer to the Authentication Guide.

API Endpoints

Submit Task & Query Result


# Submit the task
curl --location --request POST "https://api.wavespeed.ai/api/v3/kwaivgi/kling-v2.6-pro/text-to-video" \
--header "Content-Type: application/json" \
--header "Authorization: Bearer ${WAVESPEED_API_KEY}" \
--data-raw '{
    "sound": true,
    "aspect_ratio": "1:1",
    "duration": 5
}'

# Get the result
curl --location --request GET "https://api.wavespeed.ai/api/v3/predictions/${requestId}/result" \
--header "Authorization: Bearer ${WAVESPEED_API_KEY}"

Parameters

Task Submission Parameters

Request Parameters

Parameter	Type	Required	Default	Range	Description
prompt	string	Yes		-	The positive prompt for the generation.
negative_prompt	string	No		-	The negative prompt for the generation.
sound	boolean	No	true	-	Whether sound is generated simultaneously when generating a video
aspect_ratio	string	No	1:1	1:1, 9:16, 16:9	The aspect ratio of the generated media.
duration	integer	No	5	5, 10	The duration of the generated media in seconds.

Response Parameters

Parameter	Type	Description
code	integer	HTTP status code (e.g., 200 for success)
message	string	Status message (e.g., “success”)
data.id	string	Unique identifier for the prediction, Task Id
data.model	string	Model ID used for the prediction
data.outputs	array	Array of URLs to the generated content (empty when status is not `completed`)
data.urls	object	Object containing related API endpoints
data.urls.get	string	URL to retrieve the prediction result
data.has_nsfw_contents	array	Array of boolean values indicating NSFW detection for each output
data.status	string	Status of the task: `created`, `processing`, `completed`, or `failed`
data.created_at	string	ISO timestamp of when the request was created (e.g., “2023-04-01T12:34:56.789Z”)
data.error	string	Error message (empty if no error occurred)
data.timings	object	Object containing timing details
data.timings.inference	integer	Inference time in milliseconds

Result Request Parameters

Kwaivgi Kling V2.6 Pro Image To Video Kwaivgi Kling Video O1 Image To Video