Example inputhover

prompt: "A cinematic drone shot starting near the shoreline and smoothly rising upward. As the drone ascends, a cluster of coastal houses and narrow streets come into view. The sea glows with orange and pink reflections from the sunset. The camera slightly tilts down while rising, revealing the full layout of the seaside homes. Light breeze, moving trees, peaceful yet cinematic mood, ultra realistic, smooth motion, 4K."
duration: "10"
shot_type: "customize"
aspect_ratio: "16:9"

Kling o3 4K · Text to Video

Video·kling-o3·by Kling

Kling Native 4K generates professional-grade 4K video in a single step, eliminating the need for post-production upscaling.

Try it now →

API reference

Runtime (p50): 3m
Estimated price: $0.14 / unit

Call the API

prediction.sh

curl -X POST \
  -H "X-API-Key: $EACHLABS_API_KEY" \
  -H "Content-Type: application/json" \
  --data '{
    "model": "kling-o3-4k-text-to-video",
    "version": "0.0.1",
    "input": {
        "prompt": "A cinematic drone shot starting near the shoreline and smoothly rising upward. As the drone ascends, a cluster of coastal houses and narrow streets come into view. The sea glows with orange and pink reflections from the sunset. The camera slightly tilts down while rising, revealing the full layout of the seaside homes. Light breeze, moving trees, peaceful yet cinematic mood, ultra realistic, smooth motion, 4K.",
        "duration": "10",
        "shot_type": "customize",
        "aspect_ratio": "16:9"
    },
    "webhook_url": ""
}' \
  https://api.eachlabs.ai/v1/prediction/

Documentation8 sections

Overview
Kling | o3 | 4K | Text to Video Overview

The Kling | o3 | 4K | Text to Video model from Kling transforms text prompts into cinema-grade 4K videos, solving the challenge of creating high-resolution, production-ready footage without upscaling or post-processing. Developed by Kuaishou as part of the Kling 3.0 family, it stands out with native 4K output and a bias toward stylized, anime-inspired visuals, delivering crisp clarity, stable consistency, and expressive motion in every frame. This text-to-video tool excels in generating 3-15 second clips with physics-aware dynamics and optional audio, making it ideal for creators needing professional results directly from natural language descriptions. Access it seamlessly via APIs on platforms like each::labs for efficient workflows in content production.
Capabilities
Capabilities
- Native 4K video generation from text prompts without upscaling artifacts
- Physics-aware motion simulation for realistic dynamics like fluid movement and object interactions
- High temporal and subject consistency across frames, maintaining style and mood
- Multi-shot prompt support for seamless scene transitions
- Optional synchronized audio with ambient sounds, effects, and multilingual lip-sync
- Stylized and anime-biased outputs with sophisticated lighting and composition
- Up to 7 reference elements for character and style consistency
- Professional-grade rendering at 30-60fps for production-ready clips
Use cases
Use Cases for Kling | o3 | 4K | Text to Video

For content creators: Generate anime-style trailers using multi-shot prompts for dynamic action sequences. Example: "Epic mecha battle in dystopian city, explosions with debris physics, 10 seconds, intense soundtrack" – leverages physics simulation for immersive visuals.

For marketers: Produce stylized product reveals with consistent branding. Example: "Luxury watch rotating on velvet, golden hour lighting, smooth 360 pan, ambient music" – native 4K ensures poster-quality key frames.

For designers: Animate concept art with reference consistency. Example: "Fantasy character walks through enchanted forest, hair and leaves swaying naturally, anime aesthetic" – up to 7 elements maintain fidelity.

For developers: Prototype app demos via Kling | o3 | 4K | Text to Video API. Example: "UI elements morphing fluidly, screen transitions, 5 seconds" – quick high-res outputs speed iteration on each::labs.
Tips & tricks
Tips and Tricks

Optimize prompts for Kling | o3 | 4K | Text to Video by using multi-shot lists for scene transitions, specifying styles like "anime" or "cinematic" to leverage its bias. Include physics details such as "fluid hair movement" or "natural fabric sway" to activate its simulation engine. Set duration explicitly (e.g., 10 seconds) and enable audio for synchronized sound effects. For consistency, reference elements up to 7 in advanced modes.

Example prompts:
- "A cyberpunk samurai dashes through neon streets, rain-slicked pavement reflecting lights, anime style, dynamic camera pan, 4K cinematic lighting."
- "Serene mountain landscape at dawn, mist rolling over peaks, birds flying realistically, orchestral ambient audio, 15-second slow zoom."
- Multi-shot: ["Frame 1: Hero stands poised.", "Frame 2: Leaps into action with wind effects.", "Frame 3: Lands gracefully in stylized slow-motion."]
These techniques enhance output quality and narrative flow in Kling text-to-video generation.
Technical spec
Technical Specifications
- Resolution: Native 4K (no upscaling required for cinema-grade clarity)
- Duration: 3 to 15 seconds
- Aspect Ratios: 16:9, 9:16, 1:1
- Input Formats: Text prompt or multi-shot prompt list; supports optional audio generation
- Output Format: MP4 video via URL
- Frame Rate: 30fps standard, up to 60fps in select cases
- Processing: Single-pass generation with physics simulation and high temporal consistency
- Architecture: Kling Video O3 (Native 4K) with multimodal reasoning
These specs enable Kling | o3 | 4K | Text to Video to produce ready-to-use clips efficiently through REST APIs.
Things to be aware of
Things to Be Aware Of

Kling | o3 | 4K | Text to Video may underperform with overly complex prompts lacking structure, leading to inconsistent motion. Edge cases include rapid multi-subject interactions where physics simulation can glitch slightly. Users often forget to specify aspect ratios, defaulting to 16:9. High-resolution demands more credits on API platforms, so test short durations first. Avoid vague abstracts without visual cues, as its reasoning shines with descriptive language. Resource needs are standard for cloud APIs, but longer clips (15s) take more time.
Key considerations
Key Considerations

Before using Kling | o3 | 4K | Text to Video, note its focus on stylized and anime-leaning outputs, best for creative visuals rather than hyper-realistic simulations. It requires clear, descriptive prompts for optimal subject consistency and motion. Processing times vary by provider, but expect credits-based pricing around $2 per run on some platforms. Choose this over alternatives for native 4K without post-production, especially in short-form content. Commercial use is supported via partner agreements, making it suitable for professional workflows on each::labs. Prerequisites include a text prompt; no initial image needed for pure text-to-video.
Limitations
Limitations

Kling | o3 | 4K | Text to Video caps at 15 seconds, unsuitable for long-form content. It biases toward stylized/anime outputs, less ideal for photorealistic needs. No support for custom frame rates beyond 30-60fps, and audio is optional but not always perfectly synced in complex scenes. Input limited to text/multi-prompts without mandatory images for base mode. Processing can be credit-intensive for 4K.