What is the context window of Grok Code Fast 1?

Grok Code Fast 1 has a context window of 262144 tokens.

When was Grok Code Fast 1 released?

Grok Code Fast 1 was released on 2025-08-27.

Grok Code Fast 1

Name: Grok Code Fast 1
Author: xAI

Proprietary

About

xAI's Grok Code Fast 1 is a code-specialized Mixture-of-Experts model released August 27, 2025. Trained on programming data, pull requests, and code repositories, optimized for agentic coding tasks including tool calls, shell commands, and file editing. Supports Python, TypeScript, Rust, and other languages. Features high throughput (~92-129 tokens/sec). Proprietary, available via xAI API and select partners.