> For the complete documentation index, see [llms.txt](https://docs.pletor.ai/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.pletor.ai/models/video-models/previous-generation-video-models/kling-2.1.md).

# Kling 2.1

## Overview

Best choice for animating existing images into videos quickly and cost-effectively. Great for product shots, simple lifestyle scenes and mascot animations.

### Strengths

* **Speed and cost**: Fastest video generation with budget-friendly pricing.
* **Clean product animation**: Crisp product close-ups without visual artifacts.
* **Reliable camera motion**: Smooth, natural camera movements and physics.
* **Consistent animation**: Excellent at bringing static images to life while maintaining visual consistency.

### Ideal use cases

* **Product videos**: Animate product photos into dynamic showcases and demonstrations.
* **B-roll content**: Create supporting video content from existing brand imagery.
* **Mascot animation**: Bring brand characters and mascots to life from static illustrations.
* **E-commerce videos**: Convert product photography into animated showcases for online stores.
* **Social media content**: Transform static posts into engaging video content for better reach.

### Weaknesses

* Struggles with complex, multi-element scenes
* May alter fine details like skin textures or small text on products
* Limited to relatively simple animations
* Does not handle sound/voice, needs to be coupled with a dedicated node

***

## How to use effectively

Structure your prompts with these key elements for best results:

1. Subject + Description: "Woman in red jacket" or "Sleek smartphone"
2. Movement: What action happens - "rotates slowly," "bounces gently," "glides forward"
3. Scene + Setting: Where it happens - "on marble surface," "in modern kitchen"
4. Camera work: "Close-up shot," "tracking movement," "low-angle view"
5. Lighting/Mood: "Soft morning light," "dramatic shadows," "bright studio lighting"

**Pro tips:**

* Be specific but natural: Write like you're describing a scene to someone
* Focus on one main action: Multiple movements can confuse the model
* Use cinematic language: Camera angles and lighting descriptions improve quality
* Start simple: Basic prompts often work better than overly complex ones

### Example prompts

* "Close-up tracking shot: The smartphone slowly rotates on a white surface, camera circles around showing all angles, soft studio lighting"
* "Low-angle view: The mascot character waves enthusiastically at the camera, bright cheerful lighting, studio background"
* "Side tracking shot: The product moves forward across a marble counter, camera follows smoothly, warm natural lighting"

***

## Model parameters

### **Versions**

This model is available in three versions:

* **Standard:** Fastest and cheapest version of the model, lower output resolution (720p)
* **Pro:** Best for animation of a starting frame (product shots, lifestyle videos, mascot).
* **Master**: Best for animation of a starting frame when Kling 2.1 Pro falls short.

Most workflows work great with the Pro version.

### **Inputs accepted**

* Text + 1 Reference Image (starting frame)

### Output characteristics

* **Default Resolution:** 
  * 720p for Standard
  * 1080p for Pro & Master
* **Duration options**: 5s or 10 s
* **Available Aspect Ratios:** 1:1, 16:9, 9:16