Kwaivgi Kling Video O3 Std Text To Video
Playground
Try it on WaveSpeedAI!Kling Omni Video O3 (Standard) is Kuaishou’s advanced unified multi-modal video model with MVL (Multi-modal Visual Language) technology. Text-to-Video mode generates cinematic videos from text prompts with subject consistency, natural physics simulation, and precise semantic understanding. Supports audio generation. Ready-to-use REST API, best performance, no coldstarts, affordable pricing.
Features
Kling Video O3 Standard is Kuaishou’s advanced text-to-video model in the O3 family, delivering high-quality cinematic video from text descriptions. With optional synchronized sound generation, multiple aspect ratios, and flexible duration, it offers a strong balance of quality and cost.
Why Choose This?
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O3-level quality Advanced visual fidelity and motion realism beyond V3.0 models.
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Sound generation Optional synchronized sound effects generated alongside the video.
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Flexible duration Generate videos from 3 to 15 seconds to match your scene needs.
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Multiple aspect ratios Support for 16:9, 9:16, and 1:1 to fit any platform.
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Multi-prompt support Chain multiple prompt segments to guide scene transitions and narrative flow within a single generation.
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Prompt Enhancer Built-in tool to automatically improve your video descriptions.
Parameters
| Parameter | Required | Description |
|---|---|---|
| prompt | No | Text description of the video scene, motion, and style. |
| aspect_ratio | No | Output ratio: 16:9 (default), 9:16, 1:1. |
| duration | No | Video length in seconds. Range: 3–15. Default: 5. |
| sound | No | Generate synchronized sound alongside the video. Default: disabled. |
| shot_type | No | Editing mode: intelligent (default, auto-determines scope) or customize. |
| multi_prompt | No | Additional prompt segments to guide scene transitions and progressions. |
How to Use
- Write your prompt — describe the scene, characters, motion, camera style, and atmosphere in detail. Use the Prompt Enhancer for better results.
- Select aspect ratio — 16:9 for landscape, 9:16 for portrait/social, 1:1 for square.
- Set duration — choose between 3 and 15 seconds based on your scene length.
- Enable sound (optional) — generate synchronized audio alongside the video.
- Select shot_type (optional) — use intelligent for automatic scope, or customize for manual control.
- Add multi-prompt segments (optional) — click Add Item to guide scene transitions with additional prompts.
- Run — submit and download your video.
Pricing
| Duration | Without Sound | With Sound |
|---|---|---|
| 3s | $0.252 | $0.336 |
| 5s | $0.420 | $0.560 |
| 10s | $0.840 | $1.120 |
| 15s | $1.260 | $1.680 |
Billing Rules
- Base rate: $0.42 per 5 seconds ($0.084 per second)
- Sound surcharge: +33% when sound is enabled
- Duration range: 3–15 seconds
Best Use Cases
- Professional Content — High-quality videos at a more accessible price than O3 Pro.
- Social Media — Create engaging videos for TikTok, Reels, and Stories.
- Marketing Videos — Produce promotional content with optional synchronized sound.
- Concept Visualization — Bring creative ideas to life quickly from text descriptions.
- Extended Scenes — Up to 15 seconds for longer scene development and storytelling.
Pro Tips
- Use the Prompt Enhancer to refine your descriptions automatically.
- Match aspect ratio to your platform: 16:9 for YouTube, 9:16 for TikTok and Reels, 1:1 for Instagram.
- Enable sound for a complete video experience with synchronized audio.
- Be specific about camera movements, lighting, and atmosphere for best results.
- Use shorter durations (3–5s) for testing, longer (10–15s) for final production.
- Use multi_prompt to build smooth narrative progressions across a single clip.
Notes
- All parameters are optional and have sensible defaults.
- Sound generation increases cost by approximately 33%.
- Please follow Kuaishou’s content usage policies when crafting prompts.
Related Models
- Kling Video O3 Pro Text-to-Video — Maximum quality text-to-video with O3 Pro tier.
- Kling Video O3 Std Image-to-Video — Animate images at O3 Standard pricing.
- Kling V3.0 Std Text-to-Video — V3.0 Standard at lower cost.
Authentication
For authentication details, please refer to the Authentication Guide.
API Endpoints
Submit Task & Query Result
set -euo pipefail
export WAVESPEED_API_KEY="your-api-key"
REQUEST_BODY=$(cat <<'JSON'
{
"aspect_ratio": "16:9",
"duration": 5,
"sound": false,
"shot_type": "customize"
}
JSON
)
# 1. Submit the prediction.
SUBMIT_RESPONSE=$(curl --silent --show-error --fail-with-body \
-X POST "https://api.wavespeed.ai/api/v3/kwaivgi/kling-video-o3-std/text-to-video" \
-H "Authorization: Bearer ${WAVESPEED_API_KEY}" \
-H "Content-Type: application/json" \
-d "${REQUEST_BODY}")
TASK=$(printf '%s' "${SUBMIT_RESPONSE}" | jq 'if type == "object" and has("data") then .data else . end')
PREDICTION_ID=$(printf '%s' "${TASK}" | jq -r '.id // empty')
if [ -z "${PREDICTION_ID}" ]; then
printf 'Submission response did not contain a prediction id
' >&2
exit 1
fi
RESULT_URL=$(printf '%s' "${TASK}" | jq -r '.urls.get // empty')
if [ -z "${RESULT_URL}" ]; then RESULT_URL="https://api.wavespeed.ai/api/v3/predictions/${PREDICTION_ID}/result"; fi
# 2. Poll until the prediction finishes.
while true; do
RESPONSE=$(curl --silent --show-error --fail-with-body \
"${RESULT_URL}" \
-H "Authorization: Bearer ${WAVESPEED_API_KEY}")
RESULT=$(printf '%s' "${RESPONSE}" | jq 'if type == "object" and has("data") then .data else . end')
STATUS=$(printf '%s' "${RESULT}" | jq -r '.status // empty')
case "${STATUS}" in
completed) printf '%s\n' "${RESULT}" | jq '.outputs'; break ;;
failed|cancelled|timeout) printf '%s\n' "${RESULT}" | jq . >&2; exit 1 ;;
created|processing) sleep 2 ;;
*) printf 'Unexpected status: %s
' "${STATUS}" >&2; exit 1 ;;
esac
doneParameters
Task Submission Parameters
Request Parameters
| Parameter | Type | Required | Default | Range | Description |
|---|---|---|---|---|---|
| prompt | string | No | - | The positive prompt for the generation. | |
| aspect_ratio | string | No | 16:9 | 16:9, 9:16, 1:1 | The aspect ratio of the generated video. |
| duration | integer | No | 5 | 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 | The duration of the generated media in seconds (3-15). |
| sound | boolean | No | false | - | Whether to generate audio for the video. |
| shot_type | string | No | customize | customize, intelligent | Shot type for the generation. |
| multi_prompt | array<object> | No | - | 0 ~ 6 items | List of multi-prompt elements for the generation. |
Response Parameters
| Parameter | Type | Description |
|---|---|---|
| code | integer | HTTP status code (e.g., 200 for success) |
| message | string | Status message (e.g., “success”) |
| data.id | string | Unique identifier for the prediction, Task Id |
| data.model | string | Model ID used for the prediction |
| data.outputs | array | Output values, usually URL strings; some models return text strings or structured result objects (empty when status is not completed) |
| data.urls | object | Object containing related API endpoints |
| data.urls.get | string | URL to retrieve the prediction result |
| data.status | string | Status of the task: created, processing, completed, or failed |
| data.created_at | string | ISO timestamp of when the request was created (e.g., “2023-04-01T12:34:56.789Z”) |
| data.error | string | Error message (empty if no error occurred) |
| data.timings | object | Object containing timing details |
| data.timings.inference | integer | Inference time in milliseconds |
Result Request Parameters
| Parameter | Type | Required | Default | Description |
|---|---|---|---|---|
| id | string | Yes | - | Task ID |
Result Response Parameters
| Parameter | Type | Description |
|---|---|---|
| code | integer | HTTP status code (e.g., 200 for success) |
| message | string | Status message (e.g., “success”) |
| data | object | The prediction data object containing all details |
| data.id | string | Unique identifier for the prediction |
| data.model | string | Model ID used for the prediction |
| data.outputs | array<string | object> | Array of generated outputs (empty when status is not completed). Items are usually URL strings, but may be text strings or structured result objects, depending on the model. |
| data.urls | object | Object containing related API endpoints |
| data.urls.get | string | URL to poll for the prediction result |
| data.status | string | Status: created, processing, completed, or failed |
| data.created_at | string | ISO timestamp of when the request was created |
| data.error | string | Error message (empty if no error occurred) |
| data.timings | object | Object containing timing details |
| data.timings.inference | integer | Inference time in milliseconds |