Kling O3(Image-to-video)
API Overview
Supports synchronous audio generation (sound=True)
Kling Video O3 Image-to-Video is a dual-mode product line for image-to-video conversion launched by Kuaishou, featuring two versions: Pro and Std. Its core positioning is “leveraging multimodal visual-language (MVL) technology to transform static images into dynamic, cinematic-quality videos with natural motion, physics-based simulations, and optional sound effects.”
- Architectural Upgrade: The O3 series adopts a unified MVL architecture, comprehensively surpassing the V3.0 model in terms of subject consistency, naturalness of motion, and scene dynamics.
- Dual-Version Strategy: The Pro version focuses on maximum visual fidelity and complex camera movements (supporting start-end frame guidance), while the Std version offers cost-effective basic animation capabilities.
- Core Features: Both versions support arbitrary durations from 3 to 15 seconds, synchronous audio generation, a built-in Prompt Enhancer, and video generation driven by a single starting image.
- Applicable Scenarios: Social media dynamic thumbnails, ad material extensions, AI short-film creation, product demonstration animations, and immersive content with ambient sound effects.
- Cost Difference: The Std version costs approximately 60%–70% of the Pro version, making it ideal for rapid idea validation; the Pro version is geared toward delivering high-quality finished products.
───────────────────────────────────────────────────────────────────
Core Capabilities
🎬 O3 Dynamic Realism
The Pro version achieves cinema-level physics simulation and smooth camera movements; the Std version optimizes efficiency while maintaining subject stability and reasonable motion.
🖼️→🎥 Single-Image-Driven Creation
With just one reference image and a text description, you can generate coherent, dynamic videos, significantly lowering the barrier to video production.
🔊 Optional Audio-Visual Synchronization
Supports generating ambient sound effects that match the visuals (such as rain sounds, urban bustle, or crackling campfire), enhancing immersion.
⏱️ Flexible Duration Control
Supports arbitrary whole-second lengths from 3 to 15 seconds, catering to all specifications required by short-video platforms.
✨ Smart Prompt Enhancement
A built-in Prompt Enhancer automatically optimizes motion descriptions (such as “slow-motion,” “orbiting camera,” or “hair blowing in the wind”), improving generation quality.
───────────────────────────────────────────────────────────────────
Effect Demonstrations
API Console
Log in to explore more features! Click to Log In
API Reference (3)
| API Description | API Endpoint | Request Method | Stability | Parameter Description |
|---|---|---|---|---|
o3-std | POST | Stable | View Details | |
o3-pro | POST | Stable | View Details | |
Fetch | GET | Stable | View Details |