Kling 4.0 API: Pricing, Specs and Examples

Kling 4.0 API

Kling 4.0 is a text to video, image to video and reference to video model by Kling AI, available on the Venice API as kling-v4-text-to-video. Requests are anonymized, so the provider never sees your identity.

Kling 4.0 API pricing

Model ID	Variant	Privacy	Price
`kling-v4-text-to-video`	Text to video	Anonymized	from $0.1963 / sec
`kling-v4-image-to-video`	Image to video	Anonymized	from $0.1963 / sec
`kling-v4-reference-to-video`	Reference to video	Anonymized	from $0.1963 / sec

Clip prices for kling-v4-text-to-video with audio:

Duration	720p	1080p
3s	$0.59	$0.88
4s	$0.79	$1.18
5s	$0.98	$1.47
6s	$1.18	$1.76
7s	$1.37	$2.06
8s	$1.57	$2.35
9s	$1.77	$2.64
10s	$1.96	$2.94
11s	$2.16	$3.23
12s	$2.36	$3.53
13s	$2.55	$3.82
14s	$2.75	$4.11
15s	$2.94	$4.41
16s	$3.14	$4.70
17s	$3.34	$4.99
18s	$3.53	$5.29
19s	$3.73	$5.58
20s	$3.93	$5.88
21s	$4.12	$6.17
22s	$4.32	$6.46
23s	$4.51	$6.76
24s	$4.71	$7.05
25s	$4.91	$7.34
26s	$5.10	$7.64
27s	$5.30	$7.93
28s	$5.50	$8.23
29s	$5.69	$8.52
30s	$5.89	$8.81

Kling 4.0 specifications

Spec	Value
Provider	Kling AI
Released	Oct 24, 2026
Privacy	Anonymized
Status	Stable
Modes	text to video, image to video and reference to video
Resolutions	720p, 1080p
Durations	3s, 4s, 5s, 6s, 7s, 8s, 9s, 10s, 11s, 12s, 13s, 14s, 15s, 16s, 17s, 18s, 19s, 20s, 21s, 22s, 23s, 24s, 25s, 26s, 27s, 28s, 29s, 30s
Aspect ratios	16:9, 9:16, 1:1, 21:9
Audio	Always generated

How to use the Kling 4.0 API

Send requests to POST https://api.venice.ai/api/v1/video/queue with "model": "kling-v4-text-to-video" and your API key.

# 1. Queue the job (returns a queue_id)
curl https://api.venice.ai/api/v1/video/queue \
  -H "Authorization: Bearer $VENICE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "kling-v4-text-to-video",
    "prompt": "Slow aerial drone shot over a misty mountain valley at golden hour",
    "duration": "5s",
    "resolution": "720p",
    "aspect_ratio": "16:9"
  }'

# 2. Poll until the MP4 is ready
curl https://api.venice.ai/api/v1/video/retrieve \
  -H "Authorization: Bearer $VENICE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{ "model": "kling-v4-text-to-video", "queue_id": "<queue_id>" }' --output video.mp4

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Kling 4.0 API

Kling 4.0 API pricing

Kling 4.0 specifications

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