Grok Code Fast 1

by xAI

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.

Chat with Grok Code Fast 1

Input Price$0.20/1M tokens

Output Price$1.50/1M tokens

Intelligence28.7

Coding23.7

Specifications

Technical details and pricing.

ProviderxAI

Context Window256,000 tokens

Release DateAug 28, 2025

ModalitiesText

Benchmarks

10 benchmark scores from Artificial Analysis.

GPQA72.7%

MMLU Pro79.3%

HLE7.5%

LiveCodeBench65.7%

AIME 202543.3%

SciCode36.2%

LCR48.3%

IFBench41.4%

Tau275.7%

TerminalBench Hard17.4%

Composite Indices

Intelligence, Coding, Math

Standard Benchmarks

Academic and industry benchmarks

Frequently Asked Questions

What is Grok Code Fast 1 good for?

Use Grok Code Fast 1 for everyday tasks like writing, summarizing, brainstorming, and getting clear explanations.

How much does Grok Code Fast 1 cost?

Pricing is based on usage. Current rates are $0.20/1M tokens for input and $1.50/1M tokens for output.

Can I try Grok Code Fast 1 for free?

Yes. You can start a chat instantly and test the model before deciding on a plan.

Does Grok Code Fast 1 support images or audio?

Grok Code Fast 1 focuses on text-based tasks.

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Benchmarks and pricing are sourced from Artificial Analysis where available. OpenRouter specs are used as a fallback.