image-to-video
Kling Omni Video O3 Reference-to-Video generates creative videos using character, prop, or scene references from multiple viewpoints. Extracts subject features and creates new video content while maintaining identity consistency across frames. Supports audio generation. Ready-to-use REST API, best performance, no cold starts, affordable pricing.
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Kling Video O3 Pro Reference-to-Video
Kling Video O3 Pro Reference-to-Video generates premium video from reference images with optional video guidance. Upload reference images to establish character identity and appearance, optionally provide a reference video for motion guidance, and describe the scene — the model produces top-tier cinematic video with identity consistency.
Why Choose This?
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O3 Pro quality The highest visual fidelity and motion realism in the Kling family.
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Multi-reference images Upload up to 7 reference images (or up to 4 with a reference video).
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Video-guided generation Optional reference video for motion and scene guidance.
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Keep original sound Preserve the audio from the reference video in the output.
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Sound generation Optional AI-generated sound effects when no reference video is provided.
Parameters
| Parameter | Required | Description |
|---|---|---|
| prompt | Yes | Text description of the video scene and motion |
| video | No | Reference video for motion guidance |
| images | No | Reference images: up to 4 with video, up to 7 without (click "+ Add Item") |
| keep_original_sound | No | Keep audio from the reference video (default: enabled) |
| sound | No | Generate AI audio (only when no reference video, default: disabled) |
| aspect_ratio | No | Output ratio: 16:9 (default), 9:16, 1:1 |
| duration | No | Video length: 3-15 seconds (default: 5) |
How to Use
- Write your prompt — describe the scene, characters, and action.
- Upload reference video (optional) — provide a video for motion guidance.
- Upload reference images — add character or scene references.
- Configure audio — keep original sound from video, or enable AI sound generation.
- Select aspect ratio — match your target platform.
- Set duration — choose any length from 3 to 15 seconds.
- Run — submit and download your video.
Pricing
| Duration | Images only | Images only + Sound | With reference video |
|---|---|---|---|
| 3s | $0.72 | $0.90 | $1.08 |
| 5s | $1.20 | $1.50 | $1.80 |
| 10s | $2.40 | $3.00 | $3.60 |
| 15s | $3.60 | $4.50 | $5.40 |
Billing Rules
- Base rate: $1.20 per 5 seconds
- With reference video: 1.5× multiplier
- With AI sound (no video): 1.25× multiplier
Best Use Cases
- Character Consistency — Generate videos with identity-consistent characters.
- Video Remixing — Use reference video for motion guidance with new characters.
- Marketing & Ads — Create promotional videos featuring specific people or products.
- Storytelling — Produce narrative scenes with consistent character appearance.
- Long-Form Scenes — Up to 15 seconds for extended scene development.
Pro Tips
- Use multiple reference images from different angles for better identity preservation.
- When using a reference video, the image limit is 4; without a video, you can use up to 7.
- Enable keep_original_sound to preserve audio from your reference video.
- Sound generation is only available when no reference video is provided.
- Use shorter durations (3-5s) for testing, longer (10-15s) for final production.
- Match aspect ratio to your platform: 16:9 for YouTube, 9:16 for TikTok/Reels, 1:1 for Instagram.
Notes
- Only prompt is required; other parameters are optional.
- Duration supports any value from 3 to 15 seconds.
- Reference images limit: up to 4 with video, up to 7 without.
- When a reference video is provided, sound generation is replaced by keep_original_sound.
- Ensure uploaded image and video URLs are publicly accessible.
Related Models
- Kling Video O3 Pro Image-to-Video — O3 Pro quality single image to video.
- Kling V3.0 Pro Image-to-Video — V3.0 Pro quality at lower cost.
- Kling V3.0 Pro Text-to-Video — Pro quality text-to-video.