Kling 3
Kuaishou's high-quality realistic video generation model with AI sound sync, supporting up to 15-second clips.
Kling 3
Provider: Kuaishou | Best for: High-quality realistic video with AI sound sync
Kling 3 is Kuaishou's latest video generation model, delivering strikingly realistic footage with built-in audio generation. The model excels at producing natural-looking scenes with coherent motion, accurate physics, and synchronized sound that matches the visual content. Whether you need a product demo with ambient audio or a cinematic landscape with environmental sound, Kling 3 handles it with ease.
What sets Kling 3 apart is its AI sound sync capability. Rather than generating silent video that requires separate audio work, Kling 3 produces videos with contextually appropriate sound effects, ambient audio, and even voice synchronization. This makes it a strong choice for content creators who need ready-to-publish videos without post-production audio editing.
With support for text-to-video and image-to-video workflows, three aspect ratios, and durations up to 15 seconds, Kling 3 provides a versatile and cost-effective solution for professional video generation.
Capabilities
| Feature | Details |
|---|---|
| Generation Modes | Text to Video, Image to Video |
| Max Duration | 15 seconds |
| Resolutions | 720p, 1080p |
| Aspect Ratios | 16:9, 9:16, 1:1 |
Special Features
- AI sound sync (audio generation)
- High-quality realistic motion
- Image-to-video support
- Multiple duration options (5s/10s/15s)
- Three aspect ratios for multi-platform use
- Natural physics and lighting
Pricing
| Quality | Cost per Second |
|---|---|
| 720p | 6 credits/s |
| 1080p | Higher rate (quality multiplier applied) |
Examples:
- 5s at 720p = 30 credits
- 10s at 720p = 60 credits
- 15s at 720p = 90 credits
Per-second pricing with a quality multiplier for 1080p output.
Use Cases
Social Media Content
Create engaging vertical (9:16) or square (1:1) videos with built-in audio for TikTok, Instagram Reels, and YouTube Shorts -- ready to publish without additional editing.
Product Demonstrations
Generate realistic product videos with synchronized sound effects that bring products to life, ideal for e-commerce listings and marketing campaigns.
Cinematic Storytelling
Produce high-quality landscape (16:9) videos with natural motion and atmospheric audio for short films, brand stories, and creative projects.
Content at Scale
Leverage the cost-effective per-second pricing to batch-produce videos across multiple platforms and formats while maintaining consistent quality.
Performance Ratings
| Metric | Rating |
|---|---|
| Quality | 9/10 |
| Speed | 7/10 |
| Cost Efficiency | 8/10 |
| Versatility | 8/10 |
FAQ
What makes Kling 3 different from other models?
Kling 3 stands out with its AI sound sync capability, producing videos with contextually appropriate audio without requiring separate sound design. Combined with high-quality realistic motion and competitive per-second pricing, it offers a strong balance of quality and value.
How long does Kling 3 take to generate a video?
Kling 3 typically generates a 10-second video in 2-4 minutes, depending on resolution and complexity. Longer 15-second clips may take slightly more time. Generation happens asynchronously, so you can continue working while your video renders.
Can I use Kling 3 with a reference image?
Yes, Kling 3 supports image-to-video generation. Upload a reference image and Kling 3 will animate it with realistic motion and synchronized audio, maintaining the visual style of your original image.
What aspect ratios does Kling 3 support?
Kling 3 supports 16:9 (widescreen, ideal for YouTube and presentations), 9:16 (vertical, perfect for TikTok and Instagram Reels), and 1:1 (square, great for Instagram feed posts).
How many credits does Kling 3 cost?
Kling 3 uses per-second pricing at 6 credits per second for 720p output. A 10-second 720p video costs 60 credits, and a 15-second video costs 90 credits. 1080p output applies a quality multiplier for higher resolution.
Does Kling 3 support audio generation?
Yes, Kling 3 includes built-in AI sound sync, producing videos with synchronized sound effects and ambient audio that match the visual content. This is one of its key differentiating features.