xAI launches Grok Code Fast 1 for agentic coding tasks
xAI has introduced Grok Code Fast 1, a specialized model built for speed and cost efficiency in coding workflows. The model brings tool-calling and agentic capabilities to development environments, supports multiple programming languages, and is rolling out in preview through GitHub Copilot and other partners.
xAI has released Grok Code Fast 1, a new coding-focused model that emphasizes responsiveness and agentic functionality. The model is designed to support developers with everyday programming tasks by offering tool-calling abilities such as grep, terminal access, and file editing. It is compatible with TypeScript, Python, Java, Rust, C++, and Go.
On the SWE-Bench-Verified benchmark, Grok Code Fast 1 reached a score of 70.8 percent. xAI stated that the architecture was optimized for fast, interactive agentic workflows rather than large-scale reasoning, positioning it as a practical tool for common coding tasks.
The model is available for one week of free use through partners including GitHub Copilot, Cursor, Cline, Kilo Code, Roo Code, opencode, and Windsurf. Following the free access period, the API will be priced at $0.20 per million input tokens, $1.50 per million output tokens, and $0.02 per million cached input tokens.
By providing a lightweight model with agentic features at a lower price point, xAI is targeting developers who need quick iteration inside their integrated development environments. The integration with GitHub Copilot and similar platforms places Grok Code Fast 1 directly into existing workflows, lowering the barrier for adoption.
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