Kling 3.0
KuaishouAvailableKuaishou's Kling 3.0: 3 to 15 second video at 720p or 1080p, with optional generated sound, billed per second.
- Text → video
- Image → video
- Optional audio
720p
91 cr / second
$0.091
720p · audio
130 cr / second
$0.130
1080p
117 cr / second
$0.117
1080p · audio
176 cr / second
$0.176
- Queued
- Processing
- Succeeded
What Kling 3.0 is good for
1080p beyond 8 seconds
Generate clips of up to 15 seconds at 1080p, and pay only for the seconds you ask for.
Silent b-roll
Audio is off by default, so footage you plan to score or edit later is billed at the lower rate.
Square and vertical social video
Output 16:9, 9:16 or 1:1 from a prompt, a first frame, or a first and last frame.
Input parameters
JSON Schema| Name | Type | Default | Description |
|---|---|---|---|
| prompt (required) | string | — | What happens in the shot, including motion and sound. Up to 2,500 characters. |
| image_urls | string[] | — | First frame, and optionally last frame, as public HTTPS URLs. |
| duration | integer | 5 | Clip length in seconds. 3 to 15. Sets the price. |
| resolution | enum | "720p" | Output resolution. One of 720p, 1080p. Sets the price. |
| aspect_ratio | enum | "16:9" | Output aspect ratio. One of 16:9, 9:16, 1:1. |
| generate_audio | boolean | false | Also generate sound for the video. Sets the price. |
Fields of the input object. Unknown fields are rejected with 400 invalid_request.
curl -X POST https://genkiln.com/v1/tasks \
-H "Authorization: Bearer $GENKILN_API_KEY" \
-H "Content-Type: application/json" \
-H "Idempotency-Key: $(uuidgen)" \
-d '{
"model": "kling-3.0",
"input": {
"prompt": "A red fox trotting through fresh snow at dawn, low tracking shot, soft breath vapor",
"duration": 5,
"resolution": "720p",
"aspect_ratio": "16:9",
"generate_audio": false
}
}'
# 202 Accepted -> { "id": "task_...", "status": "queued", "cost_credits": ... }
curl https://genkiln.com/v1/tasks/task_... \
-H "Authorization: Bearer $GENKILN_API_KEY"The samples use the values in the Playground form. Create a task, then poll it until it is final, or add callback_url to get a signed webhook.
Kling 3.0 API pricing
| Variant | Credits | USD | 10-second clip |
|---|---|---|---|
| 720p | 91 | $0.091 | $0.910 |
| 720p · audio | 130 | $0.130 | $1.300 |
| 1080p | 117 | $0.117 | $1.170 |
| 1080p · audio | 176 | $0.176 | $1.760 |
The cost is set by the parameters you send and returned as cost_credits when the task is created. 1 credit = US$0.001. Buy credits
Kling 3.0 questions
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Ship your first generation today.
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