Grok 4 0709 API

Access Grok 4 0709 from xAI using Puter.js AI API.

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Model Card

Grok 4 0709 is the July 9, 2025 snapshot of xAI's flagship reasoning model, trained with reinforcement learning to use tools like a code interpreter and web browsing. It features a 256K context window, native tool use, parallel tool calling, and support for both image and text inputs.

Context Window 256K

tokens

Max Output 256K

tokens

Input Cost $3

per million tokens

Output Cost $15

per million tokens

Input text, image

modalities

Tool Use Yes

 

Knowledge Cutoff Jul 2025

 

Release Date Jul 9, 2025

 

API Usage Example

Add Grok 4 0709 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: "x-ai/grok-4-0709"
}).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: "x-ai/grok-4-0709"
        }).then(response => {
            document.body.innerHTML = response.message.content;
        });
    </script>
</body>
</html>

View full documentation →

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Frequently Asked Questions

What is this Grok 4 0709 API about?

The Grok 4 0709 API gives you access to xAI's chat model through Puter.js. With just a few lines of JavaScript, you can integrate Grok 4 0709 into any web app or Node.js project — no API keys, no backend, and no configuration required.

Who created Grok 4 0709?

Grok 4 0709 was created by xAI and released on Jul 9, 2025.

What is the context window of Grok 4 0709?

Grok 4 0709 supports a context window of 256K tokens. For reference, that is roughly equivalent to 512 pages of text.

What is the max output length of Grok 4 0709?

Grok 4 0709 can generate up to 256K tokens in a single response.

What is the knowledge cutoff of Grok 4 0709?

Grok 4 0709 has a knowledge cutoff date of Jul 2025. This means the model was trained on data available up to that date.

What types of input can Grok 4 0709 process?

Grok 4 0709 accepts the following input types: text, image. It produces: text.

Does Grok 4 0709 support tool use (function calling)?

Yes, Grok 4 0709 supports tool use (function calling), allowing it to interact with external tools, APIs, and data sources as part of its response flow.

How much does it cost?
The Grok 4 0709 API is available through the User-Pays Model. As a developer, you can add the Grok 4 0709 API to your app for free — your users pay for their own AI costs directly.
Price per 1M tokens
Input$3
Output$15
How do I access the Grok 4 0709 API?

You can access the Grok 4 0709 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 Grok 4 0709 API work with React / Vue / Vanilla JS / Node / etc.?

Yes — the Grok 4 0709 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 Grok 4 0709 to your app without worrying about API keys or setup.

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