Qwen Plus 0728 (thinking) API

Access Qwen Plus 0728 (thinking) from Qwen using Puter.js AI API.

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Model Card

Qwen Plus (2025-07-28) Thinking is the reasoning-enhanced version that uses chain-of-thought processing for complex problems, providing step-by-step reasoning before delivering answers.

Context Window N/A

tokens

Max Output 33K

tokens

Input Cost $0.26

per million tokens

Output Cost $0.78

per million tokens

Release Date Jul 28, 2025

 

API Usage Example

Add Qwen Plus 0728 (thinking) to your app with just a few lines of code.
No API keys, no backend, no configuration required.

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

puter.ai.chat("Explain quantum computing in simple terms", {
    model: "qwen/qwen-plus-2025-07-28:thinking"
}).then(response => {
    document.body.innerHTML = response.message.content;
});

<html>
<body>
    <script src="https://js.puter.com/v2/"></script>
    <script>
        puter.ai.chat("Explain quantum computing in simple terms", {
            model: "qwen/qwen-plus-2025-07-28:thinking"
        }).then(response => {
            document.body.innerHTML = response.message.content;
        });
    </script>
</body>
</html>

View full documentation →

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Frequently Asked Questions

What is this Qwen Plus 0728 (thinking) API about?

The Qwen Plus 0728 (thinking) API gives you access to Qwen's chat model through Puter.js. With just a few lines of JavaScript, you can integrate Qwen Plus 0728 (thinking) into any web app or Node.js project — no API keys, no backend, and no configuration required.

Who created Qwen Plus 0728 (thinking)?

Qwen Plus 0728 (thinking) was created by Qwen and released on Jul 28, 2025.

What is the max output length of Qwen Plus 0728 (thinking)?

Qwen Plus 0728 (thinking) can generate up to 33K tokens in a single response.

How much does it cost?
The Qwen Plus 0728 (thinking) API is available through the User-Pays Model. As a developer, you can add the Qwen Plus 0728 (thinking) API to your app for free — your users pay for their own AI costs directly.
Price per 1M tokens
Input$0.26
Output$0.78
How do I access the Qwen Plus 0728 (thinking) API?

You can access the Qwen Plus 0728 (thinking) API with just a few lines of JavaScript — no API keys, no backend, and no configuration required. Include the Puter.js library in your project and start making calls right away. For more details, check out our documentation.

Does the Qwen Plus 0728 (thinking) API work with React / Vue / Vanilla JS / Node / etc.?

Yes — the Qwen Plus 0728 (thinking) 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 Qwen Plus 0728 (thinking) to your app without worrying about API keys or setup.

Read the Docs View Tutorials