promptstringrequired
Text prompt for video generation. Either prompt or multi_prompt must be provided, but not both.
Kling V3 Pro Text to Video
30% OFF
kwaivgi/kling-video/v3/pro/text-to-videoKling V3 Pro Text to Video by Kuaishou turns a text prompt into a 3-15 second 1080p video with optional native audio.
Try the model
Playground
Input
Text prompt for video generation. Either prompt or multi_prompt must be provided, but not both.
Additional Settings More
Customize your input with more control.
The aspect ratio of the generated image. Allowed values: 16:9, 9:16, 1:1.
The duration of the generated video in seconds Allowed values: 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15.
Whether to generate native audio for the video. Supports Chinese and English voice output. Other languages are automatically translated to English. For English speech, use lowercase letters; for acronyms or proper nouns, use uppercase.
The type of multi-shot video generation. 'intelligent' lets the model automatically determine shot structure. Allowed values: customize, intelligent.
List of prompts for multi-shot video generation. If provided, overrides the single prompt and divides the video into multiple shots with specified prompts and durations.
ResultExample
What would you like to do next?
Examples
Select an example to load its inputs and result into the playground.
- Open result ↗
Input
{ "prompt": "Close-up of glowing fireflies dancing in a dark forest at twilight. Soft bioluminescent particles float through the air. Shallow depth of field, bokeh lights in background. Magical atmosphere, gentle movement." }
Human preference
Arena
Elo ratings from blind side-by-side votes, compared with other image and video models.
Rankings sourced from Artificial Analysis Arena
- Leaderboard
- Text to Video
- Rank
- #16 of 33
- Elo
- 1000
- Gap to #1
- −143
Text-to-video arena (silent): people pick the better of two clips from the same prompt, without seeing the model names; audio is not judged.
- #11Grok Imagine Video 1.51034±17
- #12HappyHorse-1.01032±17
- #13HappyHorse-1.11032±17
- #14Wan2.7-2606121022±17
- #15MAGI-2 Preview1008±16
- #16Kling 3.0 1080p (Pro)1000
- #17PixVerse V6993±17
- #18Kling 3.0 Omni 1080p (Pro)982±17
- #19Grok Imagine Video 1.5 Lite974±17
- #20Veo 3.1959±17
Kling V3 Pro Text to Video
Kling V3 Pro text-to-video: write a scene and get back a 3–15 second clip, with native audio and multi-shot control.
Fields
| Field | Type | Default | Notes |
|---|---|---|---|
prompt | string, required | — | Up to 2,500 characters. |
aspect_ratio | 16:9 / 9:16 / 1:1 | 16:9 | Output frame shape. |
duration | 3–15 | 5 | Output length in seconds. |
generate_audio | boolean | true | Generate native audio with the clip. |
shot_type | customize / intelligent | customize | customize follows your multi_prompt shot list; intelligent lets the model plan the cuts. |
multi_prompt | object[] | — | Optional list of shots, each with its own prompt and duration. |
Billing
You pay for output seconds: $0.168 with audio (the default) and $0.112 without.
| Output | With audio | Without audio |
|---|---|---|
| 3s | $0.504 | $0.336 |
| 5s (default) | $0.84 | $0.56 |
| 10s | $1.68 | $1.12 |
| 15s | $2.52 | $1.68 |
Failed runs are not charged.
Prompting
- Describe subject, action, camera move, and light in order.
- For several shots, use
multi_promptwith one entry per shot.
Limits
- Clips are 3–15 seconds.
Also on SandBase
Other Kling V3 Pro endpoints and tiers: kwaivgi/kling-video/v3/pro/image-to-video, kwaivgi/kling-video/v3/pro/motion-control, kwaivgi/kling-video/v3/standard/text-to-video, kwaivgi/kling-video/v3/4k/text-to-video.
Start building
Send your first request
Submit this model through the SandBase Unified Run API.
# The quoted heredoc keeps Unicode and shell metacharacters unchanged.
result=$(curl --fail-with-body --silent \
-X POST "https://api.sandbase.ai/v1/run" \
-H "Authorization: Bearer $SANDBASE_API_KEY" \
-H "Content-Type: application/json" \
--data-binary @- <<'SANDBASE_JSON'
{
"model": "kwaivgi/kling-video/v3/pro/text-to-video",
"prompt": "Close-up of glowing fireflies dancing in a dark forest at twilight. Soft bioluminescent particles float through the air. Shallow depth of field, bokeh lights in background. Magical atmosphere, gentle movement.",
"duration": 5,
"shot_type": "customize",
"aspect_ratio": "16:9",
"generate_audio": true
}
SANDBASE_JSON
)
run_id=$(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"2. Authentication
Create a SandBase API key and set it in your server environment. All requests use Bearer authentication.
export SANDBASE_API_KEY="YOUR_API_KEY"Keep the key on your server. Do not expose it in browser code or commit it to a repository.
3. Queue
Submit a request
POST to /v1/run with this model ID and its inputs. The request example above includes submission and polling.
Fetch request status and result
Use the returned run ID to poll until the status is completed, failed or timeout. Read output only after completed.
curl "https://api.sandbase.ai/v1/run/$RUN_ID" \
-H "Authorization: Bearer $SANDBASE_API_KEY"4. Files
Hosted files
Pass a publicly accessible file URL in the model’s image, video or audio field. Supported formats and limits are shown beside each Playground input.
Uploading images
Use the upload or replace control on supported image fields in the Playground. Video URL fields accept a hosted driving video; they do not imply video-upload support.
5. Schema
Input
durationinteger
The duration of the generated video in seconds
Default: 5
Possible values: 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15
shot_typestring
The type of multi-shot video generation. 'intelligent' lets the model automatically determine shot structure.
Default: "customize"
Possible values: "customize", "intelligent"
aspect_ratiostring
The aspect ratio of the generated image.
Default: "16:9"
Possible values: "16:9", "9:16", "1:1"
multi_promptarray
List of prompts for multi-shot video generation. If provided, overrides the single prompt and divides the video into multiple shots with specified prompts and durations.
generate_audioboolean
Whether to generate native audio for the video. Supports Chinese and English voice output. Other languages are automatically translated to English. For English speech, use lowercase letters; for acronyms or proper nouns, use uppercase.
Default: true
{
"model": "kwaivgi/kling-video/v3/pro/text-to-video",
"prompt": "Close-up of glowing fireflies dancing in a dark forest at twilight. Soft bioluminescent particles float through the air. Shallow depth of field, bokeh lights in background. Magical atmosphere, gentle movement.",
"duration": 5,
"shot_type": "customize",
"aspect_ratio": "16:9",
"generate_audio": true
}Output
A completed run exposes its result in output. The following is the model’s saved example, not a new generation.
[
{
"poster": "https://static.sandbase.ai/examples/posters/b58a784a894237addece.jpg",
"source": "Kling AI official schema mirror",
"source_url": "https://kling.ai/document-api/guides/get-started/overview",
"url": "https://static.sandbase.ai/examples/f582e051-7e71-4908-8adb-c3ae426edd17/output/5f556a12-5745-4b0e-a6aa-94529a974b5a.mp4"
}
]