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xAI: Grok Code Fast 1

x-ai/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 work flows.

Modalities

Context

256K

Released

Aug 26, 2025

Knowledge Cutoff

Sep 2025

About xAI: Grok Code Fast 1

OpenRouter makes xAI: Grok Code Fast 1 by SpaceXAI available through a unified, OpenAI-compatible API using the model ID x-ai/grok-code-fast-1.

xAI: Grok Code Fast 1 accepts text and returns text. It has a 256,000-token context window.

It was released on August 26, 2025; its knowledge cutoff is September 30, 2025.

More models from SpaceXAI

  • Grok 4.6
  • Grok Imagine Image 2.0
  • Grok STT 1.0
ActivityFAQ

Activity

Token volume and request traffic to this model over time.

Frequently asked questions

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.

Grok Code Fast 1 has a 256,000 token context window.

Grok 4.6, Grok 4.5, Grok Build 0.1 and 3 more are other text models from SpaceXAI.

Grok Code Fast 1 was released on August 26, 2025. Its knowledge cutoff is September 30, 2025.