Kling O3 4K Video Reference
kwaivgi/kling-video/o3/4k/video-to-videoKling O3 4K Video Reference by Kuaishou generates a new native 4K shot that follows the style and camera motion of a reference video, optionally guided by reference images.
- Base price
- $2.10USD / run
- Execution
- async
- Model type
- video
- Input fields
- 7
Try the model
Playground
PNG, JPEG, WebP, or GIF · 20 MiB maximum each
Your output will appear here
Complete the inputs, then click Run.
Specifications
Pricing
- Base price
- $2.10 / run
- Billing formula
- (params.duration ?? Math.ceil(usage.duration ?? 5.0)) * 0.42
Context & modalities
- Input
- Schema-defined
- Output
- video
Capabilities
- Chat
- Not supported
- Vision
- Not supported
- Reasoning
- Not supported
- Structured output
- Not supported
- Function calling
- Not supported
- Audio input
- Not supported
Access
- Provider
- KwaiVGI
- Model ID
- kwaivgi/kling-video/o3/4k/video-to-video
- Execution
- async
- API
- Unified Run API
- Endpoint
- /v1/run
API README
Kling O3 4K Video Reference
Kling O3 4K Video Reference generates a new shot that follows the style, framing, and camera motion of a reference video. Reference images can be cited in the prompt as @Image1, @Image2, and so on. Output is native 4K, 3-15 seconds.
Pricing
Billed per generated second at $0.42, regardless of audio.
| Duration | Price |
|---|---|
| 3 seconds | $1.26 |
| 4 seconds | $1.68 |
| 5 seconds | $2.10 |
| 6 seconds | $2.52 |
| 7 seconds | $2.94 |
| 8 seconds | $3.36 |
| 9 seconds | $3.78 |
| 10 seconds | $4.20 |
| 11 seconds | $4.62 |
| 12 seconds | $5.04 |
| 13 seconds | $5.46 |
| 14 seconds | $5.88 |
| 15 seconds | $6.30 |
Prompt Guide
Describe what should change and what must stay the same. Refer to reference images by their position in images.
{
"prompt": "Follow the camera move of the reference video in the watercolor style of @Image1.",
"video": "https://example.com/source.mp4",
"images": ["https://example.com/reference.png"],
"duration": 5
}
Technical Specs
| Spec | Value |
|---|---|
| Model ID | kwaivgi/kling-video/o3/4k/video-to-video |
| Inputs | video, images, prompt, duration, shot_type, keep_audio, aspect_ratio |
| Required inputs | prompt, video |
| Output | Video URL |
| Execution | Async (submit, then poll for result) |
Related
- Kling O3 Pro — 1080p sibling at a lower price.
Start building
Send your first request
OpenAI-compatible endpoint with unified authentication and usage tracking.
# The quoted heredoc keeps Unicode and shell metacharacters unchanged.
result=$(curl --fail-with-body --silent \
-X POST "https://api.sandbase.ai/v1/run" \
-H "Authorization: Bearer $SANDBASE_API_KEY" \
-H "Content-Type: application/json" \
--data-binary @- <<'SANDBASE_JSON'
{
"model": "kwaivgi/kling-video/o3/4k/video-to-video",
"video": "https://static.sandbase.ai/examples/kwaivgi/mirrored/example_inputs/kling-o3/pro-v2v-reference/video_reference.mp4",
"images": [
"https://static.sandbase.ai/examples/kwaivgi/mirrored/example_inputs/kling-o3/pro-v2v-reference/image_url1.jpg",
"https://static.sandbase.ai/examples/kwaivgi/mirrored/example_inputs/kling-o3/pro-v2v-reference/image_url2.jpg"
],
"prompt": "Integrate @Element1 in the scene. Style video should be following watercolor style of @Image1",
"duration": "5",
"shot_type": "customize",
"keep_audio": false,
"aspect_ratio": "16:9"
}
SANDBASE_JSON
)
run_id=$(printf '%s' "$result" | jq -r .id)
for attempt in $(seq 1 120); do
status=$(printf '%s' "$result" | jq -r .status)
case "$status" in completed|failed|timeout) break ;; esac
sleep 2
result=$(curl --fail-with-body --silent \
-H "Authorization: Bearer $SANDBASE_API_KEY" \
"https://api.sandbase.ai/v1/run/$run_id")
done
status=$(printf '%s' "$result" | jq -r .status)
[ "$status" = completed ] || { echo "Generation ended: $status" >&2; exit 1; }
printf '%s\n' "$result"Choose your model
Compare models
| Model | Type | Default price | Released |
|---|---|---|---|
Kling O3 4K Video ReferenceThis model KwaiVGI | Video | $2.10 / run | Oct 5, 2026 |
KwaiVGI | Video | Coming soon | Coming soon |
KwaiVGI | Video | $2.10 / run | Oct 5, 2026 |
KwaiVGI | Video | $0.56 / run | Jul 6, 2026 |
KwaiVGI | Video | $0.56 / run | Jul 6, 2026 |
KwaiVGI | Video | $0.84 / run | Jul 3, 2026 |
Questions
FAQ
How do I call Kling O3 4K Video Reference through SandBase?
Create a SandBase API key, then send requests with the model ID "kwaivgi/kling-video/o3/4k/video-to-video" to Unified Run API (/v1/run) at https://api.sandbase.ai. The request examples on this page show the exact payload.
Do I need a separate KwaiVGI account?
No. One SandBase API key and balance gives you access to Kling O3 4K Video Reference and the other models in the catalog; you do not need to sign up with KwaiVGI separately.