How much does Grok Code Fast 1 cost?

Grok Code Fast 1 starts at $1/1M input tokens, $0.2/1M cached input tokens, and $2/1M output tokens.

What is the context window for Grok Code Fast 1?

Grok Code Fast 1 supports a context window of 256k tokens in Sim. In an agent, this determines how much conversation history, tool outputs, and retrieved documents the model can hold in a single call.

What capabilities does Grok Code Fast 1 support?

Grok Code Fast 1 supports the following capabilities in Sim: Temperature 0-2, Tool choice, Structured outputs.

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xAI model

Grok Code Fast 1

Grok Code Fast 1 is a xAI model tracked in Sim. It supports a 256k token context window. Pricing starts at $1/1M input tokens and $2/1M output tokens. Key capabilities include Temperature 0-2, Tool choice, Structured outputs.

Build with this model All xAI models

Input price$1/1M

Cached input$0.2/1M

Output price$2/1M

Context window256k

Max outputNot published

ProviderxAI

UpdatedJun 11, 2026

Temperature0 to 2

Reasoning effortNot supported

VerbosityNot supported

Thinking levelsNot supported

Structured outputsSupported

Tool choiceSupported

Computer useNot supported

Deep researchNot supported

Memory supportSupported

Max output tokensNot published

Frequently asked questions

Grok Code Fast 1 is a xAI model available in Sim. Grok Code Fast 1 is a xAI model tracked in Sim. It supports a 256k token context window. Pricing starts at $1/1M input tokens and $2/1M output tokens. Key capabilities include Temperature 0-2, Tool choice, Structured outputs.