Models / Kling 2.1 Pro
Kling · Video
Kling 2.1 Pro
An older Kling that a lot of people still prefer for calm, plain shots. Made by Kling. 5 to 10 seconds. From $0.107 first 5 s, then per extra second.
kling-2.1-pro
TypeVideo
InputsText, First frame
Length5 to 10 s
SoundNo
From$0.107 first 5 s, then per extra second
UpdatedOct 12, 2026
Pricing
| Setting | MiniAPI | fal | Difference |
|---|---|---|---|
| each extra second | $0.107 first 5 s, then per extra second | $0.098 | +9% |
| first 5 s | $0.539 first 5 s, then per extra second | $0.49 | +10% |
Parameters
| Name | Required | Values | Default | Description |
|---|---|---|---|---|
| negative_prompt | No | text | blur, distort, and low quality | What to keep out of the result. |
| prompt | Yes | text | What to make, in plain words. | |
| image_url | Yes | https URL | A picture to start from. We fetch it and keep a copy for the job. | |
| tail_image_url | No | https URL | A picture for the last frame. | |
| duration | No | 5, 10 | 5 | Length in seconds. The price changes with it. |
| cfg_scale | No | 0 to 1 | 0.5 | How closely to follow the prompt. Higher follows it more literally. |
Quickstart
curl -X POST "https://api.minicut.ai/v1/queue/kling-2.1-pro" \
-H "Authorization: Key $MINIAPI_KEY" \
-H "Content-Type: application/json" \
-d '{"prompt":"a red fox runs through snow at dawn","image_url":"https://example.com/start.jpg","duration":"5"}'200 OK
{
"request_id": "0192f3a4-5b6c-7d8e-9f01-23456789abcd",
"status": "IN_QUEUE",
"queue_position": 0,
"status_url": "https://api.minicut.ai/v1/queue/kling-2.1-pro/requests/0192f3a4-5b6c-7d8e-9f01-23456789abcd/status",
"response_url": "https://api.minicut.ai/v1/queue/kling-2.1-pro/requests/0192f3a4-5b6c-7d8e-9f01-23456789abcd",
"cancel_url": "https://api.minicut.ai/v1/queue/kling-2.1-pro/requests/0192f3a4-5b6c-7d8e-9f01-23456789abcd/cancel",
"price": "0.539000",
"currency": "USD"
}Compare
| Model | Maker | Max length | Resolution | Sound | From | vs fal |
|---|---|---|---|---|---|---|
| Kling 2.1 Pro | Kling | 10 s | No | $0.107 first 5 s, then per extra second | ||
 Seedance 2.5 | ByteDance | 30 s | 480p, 720p, 1080p | Yes | $0.16 / s | -27% |
 Seedance 2.0 | ByteDance | 15 s | 480p, 720p, 1080p, 4K | Yes | $0.10 / s | -26% |
 Kling 3.0 | Kling | 15 s | Yes | $0.0924 / s | ||
 Google Veo 3.1 | 8 s | 720p, 1080p, 4K | Yes | $0.11 / s |
FAQ
How much does Kling 2.1 Pro cost?
From $0.107 first 5 s, then per extra second at each extra second. Pricing lists every setting.
How long can a Kling 2.1 Pro video be?
5 to 10 seconds.
What inputs does Kling 2.1 Pro take?
Text, First frame.
Am I charged if a Kling 2.1 Pro job fails?
No. You are not charged for it.
