DeepSeek: R1 0528 API

Access DeepSeek: R1 0528 from DeepSeek using Puter.js AI API.

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Model Card

DeepSeek R1-0528 is the May 2025 major update to R1, featuring dramatically improved reasoning depth with nearly double the thinking tokens (23K vs 12K average) and approaching performance of O3 and Gemini 2.5 Pro. It adds function calling support, reduced hallucinations, and improved AIME accuracy from 70% to 87.5%.

Context Window N/A

tokens

Max Output 66K

tokens

Input Cost $0.45

per million tokens

Output Cost $2.15

per million tokens

Release Date May 28, 2025

 

API Usage Example

Add DeepSeek: R1 0528 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: "deepseek/deepseek-r1-0528"
}).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: "deepseek/deepseek-r1-0528"
        }).then(response => {
            document.body.innerHTML = response.message.content;
        });
    </script>
</body>
</html>

View full documentation →

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Frequently Asked Questions

What is this DeepSeek: R1 0528 API about?

The DeepSeek: R1 0528 API gives you access to DeepSeek's chat model through Puter.js. With just a few lines of JavaScript, you can integrate DeepSeek: R1 0528 into any web app or Node.js project — no API keys, no backend, and no configuration required.

Who created DeepSeek: R1 0528?

DeepSeek: R1 0528 was created by DeepSeek and released on May 28, 2025.

What is the max output length of DeepSeek: R1 0528?

DeepSeek: R1 0528 can generate up to 66K tokens in a single response.

How much does it cost?
The DeepSeek: R1 0528 API is available through the User-Pays Model. As a developer, you can add the DeepSeek: R1 0528 API to your app for free — your users pay for their own AI costs directly.
Price per 1M tokens
Input$0.45
Output$2.15
How do I access the DeepSeek: R1 0528 API?

You can access the DeepSeek: R1 0528 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 DeepSeek: R1 0528 API work with React / Vue / Vanilla JS / Node / etc.?

Yes — the DeepSeek: R1 0528 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 DeepSeek: R1 0528 to your app without worrying about API keys or setup.

Read the Docs View Tutorials