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Grok 4

Grok 4: xAI's Flagship Model

xAI's most capable Grok generation for coding, agentic tasks, and knowledge work - built to check its own work.

What is Grok 4?

Grok 4 is the current flagship generation of xAI's Grok models. xAI has released frequent updates, and the latest version, Grok 4.7, arrived in September 2026 as the successor to Grok 4.6.

Grok 4.7 is built for coding, agentic tasks, and knowledge work. It is particularly strong at long-running software engineering tasks and at verifying its own work. It accepts text, images, and files and supports a context window of 500,000 tokens.

What Grok 4 can do

Coding
Write and debug code, and handle long-running software engineering tasks.
Agentic Task Planning
Break goals into steps and carry them out with tools.
Self-Verification
Check its own work before presenting a final answer.
Knowledge Work
Research topics, analyze information, and write clear summaries.
Image and File Input
Ask questions about images and uploaded files.
Long Document Context
Work with up to 500K tokens - long reports or large codebases.

How to use Grok 4

Open the chat
Click "Open Chat" to start chatting with Grok for free.
Describe your task
Ask a question, paste code, or describe what you need.
Get a direct answer
Get a clear, to-the-point response.
Refine the result
Ask follow-ups or add context.
Use the output
Copy the answer or code into your work.

Frequently Asked Questions

Grok 4 is the current flagship generation of xAI's Grok models. The latest version is Grok 4.7, released in September 2026.

Coding, agentic tasks, and knowledge work - especially long-running software engineering tasks.

Grok 4.7 supports a context window of 500,000 tokens.

Yes. It accepts text, images, and files as input.

Yes, the Grok chat on chatai.org is free and requires no registration. There is a daily message limit.

Grok 4 is a newer generation with much stronger coding and agentic abilities and a far larger context window.