Kling: Kling 2.1 Standard

Access Kling 2.1 Standard AI video generation using Puter.js API.

Get Started

Model Card

Kling 2.1 Standard is a cost-effective 720p AI video generation model from Kuaishou designed for high-volume content creation. It currently supports image-to-video generation only, offering fast rendering speeds and solid quality for social media clips, quick ads, and personal projects at roughly 5x lower cost than Master mode.

Max Duration 5s

seconds

Frame Rate N/A

fps

Aspect Ratio N/A

supported

Release Date Apr 15, 2025

 

API Usage Example

Add Kling 2.1 Standard video generation to your app with just a few lines of code.
No backend, no configuration required.

// npm install @heyputer/puter.js
import { puter } from '@heyputer/puter.js';

puter.ai.txt2vid("A cat playing with a ball of yarn", {
    model: "kwaivgi/kling-2.1-standard"
}).then(video => {
    document.body.appendChild(video);
});

<html>
<body>
    <script src="https://js.puter.com/v2/"></script>
    <script>
        puter.ai.txt2vid("A cat playing with a ball of yarn", {
            model: "kwaivgi/kling-2.1-standard"
        }).then(video => {
            document.body.appendChild(video);
        });
    </script>
</body>
</html>

View full documentation →

More AI Models From Kling

Video

Kling 2.1 Master

Kling 2.1 Master is Kuaishou's premium AI video generation model featuring 1080p output, advanced 3D spatiotemporal attention for cinematic-grade realism, and superior prompt adherence. It supports both text-to-video and image-to-video with refined facial modeling and complex motion dynamics ideal for professional filmmakers and advertisers.

 Video

Kling 2.1 Pro

Kling 2.1 Pro is the mid-tier 1080p AI video model from Kuaishou offering enhanced sharpness, realistic lighting, and both first and last frame conditioning for precise transitions. It focuses on image-to-video generation with refined camera tools, sitting between Standard and Master in terms of quality and pricing.

 Video

Kling 2.0 Master

Kling 2.0 Master is Kuaishou's flagship model from the 2.0 generation, delivering 1080p cinema-grade video with 3D spatiotemporal joint attention for realistic motion and physics simulation. It marked a major leap in visual realism and semantic understanding, supporting up to 5-second videos at 24fps with a multi-elements editor for flexible scene control.

View all Kling models →

Frequently Asked Questions

How do I use Kling 2.1 Standard?

You can access Kling 2.1 Standard by Kling through Puter.js AI API. Include the library in your web app or Node.js project and start making calls with just a few lines of JavaScript — no backend and no configuration required.

Is Kling 2.1 Standard free?

Yes, it is free if you're using it through Puter.js. With the User-Pays Model, you can add Kling 2.1 Standard to your app at no cost — your users pay for their own AI usage directly, making it completely free for you as a developer.

Who created Kling 2.1 Standard?

Kling 2.1 Standard was created by Kling and released on Apr 15, 2025.

Does it work with React / Vue / Vanilla JS / Node / etc.?

Yes — the Kling 2.1 Standard API works with any JavaScript framework, Node.js, or plain HTML through Puter.js. Just include the library and start building. See the documentation for more details.

Get started with Puter.js

Add Kling 2.1 Standard video generation to your app without worrying about API keys or setup.

Read the Docs View Tutorials