x-ai/grok-4-0709
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 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>
# pip install openai
from openai import OpenAI
client = OpenAI(
base_url="https://api.puter.com/puterai/openai/v1/",
api_key="YOUR_PUTER_AUTH_TOKEN",
)
response = client.chat.completions.create(
model="x-ai/grok-4-0709",
messages=[
{"role": "user", "content": "Explain quantum computing in simple terms"}
],
)
print(response.choices[0].message.content)
curl https://api.puter.com/puterai/openai/v1/chat/completions \
-H "Content-Type: application/json" \
-H "Authorization: Bearer YOUR_PUTER_AUTH_TOKEN" \
-d '{
"model": "x-ai/grok-4-0709",
"messages": [
{"role": "user", "content": "Explain quantum computing in simple terms"}
]
}'
More AI Models From xAI
Grok 4.20 Beta
Grok 4.20 Beta is xAI's newest flagship model, featuring a native 4-agent collaboration system (Grok, Harper, Benjamin, Lucas) that reasons in parallel and debates internally before delivering a unified response. It introduces a rapid-learning architecture that improves weekly from real-world feedback, and builds on a ~3T parameter MoE backbone with up to 2M token context. It claims a 65% reduction in hallucinations over Grok 4.1 and strong gains in coding, math, and engineering reasoning.
ChatGrok 4.20 Multi-Agent Beta
Grok 4.20 Multi-Agent Beta is an API-specific variant of Grok 4.20 optimized for orchestrating multiple agents that collaborate on deep research tasks. It supports web search and X search tools natively, uses the same 2M token context window, and is designed for developer workflows requiring structured multi-agent collaboration.
ChatGrok 4.1 Fast
Grok 4.1 Fast is xAI's best tool-calling model released November 2025, featuring a 2M context window and halved hallucination rates versus Grok 4 Fast. It comes in reasoning and non-reasoning modes and is optimized for agentic workflows with native support for web search, X search, and code execution.
Frequently Asked Questions
You can access Grok 4 0709 by xAI 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. You can also use it with Python or cURL via Puter's OpenAI-compatible API.
Yes, it is free if you're using it through Puter.js. With the User-Pays Model, you can add Grok 4 0709 to your app at no cost — your users pay for their own AI usage directly, making it completely free for you as a developer.
| Price per 1M tokens | |
|---|---|
| Input | $3 |
| Output | $15 |
Grok 4 0709 was created by xAI and released on Jul 9, 2025.
Grok 4 0709 supports a context window of 256K tokens. For reference, that is roughly equivalent to 512 pages of text.
Grok 4 0709 can generate up to 256K tokens in a single response.
Grok 4 0709 has a knowledge cutoff date of Jul 2025. This means the model was trained on data available up to that date.
Grok 4 0709 accepts the following input types: text, image. It produces: text.
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.
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.
Read the Docs View Tutorials