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xAI Released August 26, 2025 Synced Apr 19, 2026

xAI: Grok Code Fast 1

Grok Code Fast 1 is a speedy and economical reasoning model that excels at agentic coding. With reasoning traces visible in the response, developers can steer Grok Code for high-quality...

Tool useReasoning

Why it stands out

256K-token context window handles longer documents and multi-turn conversations without truncation.
Combines tool use with reasoning — a strong baseline for agentic and multi-step workflows.
$0.2/M input makes it practical for always-on agents, batch processing, or high-volume classification.

What to watch

Text-only input — image or audio workflows require a separate model in the pipeline.
No benchmark score currently tracked — evaluate using task-specific testing alongside pricing and capability data.

Release timeline

Tracked events for xAI: Grok Code Fast 1.

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release

xAI: Grok Code Fast 1 entered the tracked catalog

August 26, 2025

Grok Code Fast 1 is a speedy and economical reasoning model that excels at agentic coding. With reasoning traces visible in the response, developers can steer Grok Code for high-quality work flows.

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Recent changes

LaunchAug 26

xAI launched xAI: Grok Code Fast 1

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