xAI: Grok Code Fast 1

xAIID: 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.

Pricing per 1M Tokens

Input (Prompt)$0.20
Output (Completion)$1.50
Cache Read$0.02
Cache WriteFree
ImageN/A

Specifications

Context Length256K
Max Output Tokens10K
Input ModalitiesText
Output ModalitiesText
TokenizerGrok
Instruct TypeN/A
Top Provider Context256K
Top Provider Max Output10K
ModeratedNo

Compare this model

See how xAI: Grok Code Fast 1 stacks up against other models.

vs xAI: Grok 4.20 Multi-Agent Betavs xAI: Grok 4.20 Betavs xAI: Grok 4.1 Fastvs xAI: Grok 4 Fastvs xAI: Grok 4

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Last updated: March 23, 2026

First tracked: March 23, 2026