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Grok Code Fast 1: Pricing, Context Window & Benchmarks

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
Intelligence
28.7
Coding
23.7

What you can do with Grok Code Fast 1

Everyday Q&A and clear explanations

Writing help (emails, posts, summaries)

Idea generation and brainstorming

Learning support with step-by-step guidance

Composite Indices

Intelligence, Coding, Math

Standard Benchmarks

Academic and industry benchmarks

Benchmark Highlights

5 tests
GPQA
72.7%
MMLU Pro
79.3%
LiveCodeBench
65.7%
Math 500
N/A
AIME 2025
43.3%
HLE
7.5%
Metric Value
Provider xAI
Context Window 256,000 tokens
Input Price $0.20/1M tokens
Output Price $1.50/1M tokens
Release Date Aug 28, 2025
Modalities text
Capabilities N/A

Compare Grok Code Fast 1 to other models

See how it stacks up on price, quality, and overall performance.

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.

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