xAI: Grok Code Fast 1
Analysis Summary
xAI's Grok Code Fast 1 is purpose-built for coding assistance, showing a strong agentic index and high tool-use reliability alongside a solid livecodebench score, all delivered at speed and low cost.
It is well suited to coding agents, IDE integrations, and automated development pipelines where fast, cheap iteration matters more than deep general reasoning. Its broader instruction-following and knowledge benchmarks are more modest, so it is less suited to general content or complex analytical tasks.
At twenty cents per million input tokens with a 256K context window, it is a strong pick for teams building high-volume coding automation on a budget.
Assessed July 10, 2026
Editorial notes
Grok Code Fast 1 from xAI is tuned for coding workflows with strong tool-use reliability and fast, low-cost inference across a 256K context window.
Rankings consider pricing, capabilities, benchmarks, and real-world applicability and are refreshed as new models launch. Feedback?
Performance Profile
How xAI: Grok Code Fast 1 compares
XAI: Grok Code Fast 1 ranks #135 of 392 AI models we track for overall intelligence, #109 of 296 for agentic tasks. Its 256K-token context window is larger than 69% of the models we list. At $0.20 per million input tokens it is cheaper than 55% of comparable models.
About xAI: 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..
Capabilities
Performance Indices
Source: Artificial Analysis
Benchmark Scores
Intelligence
Technical
Content
Benchmark data from Artificial Analysis and Hugging Face
How does xAI: Grok Code Fast 1 stack up?
Compare side-by-side with other professional models.
Model Information
| OpenRouter ID |
x-ai/grok-code-fast-1
|
| Provider | x-ai |
| Release Date | August 26, 2025 |
| Context Length | 256,000 tokens |
| Max Completion | 10,000 tokens |
| Status | Active |
Pricing
| Token Type | Cost per 1M tokens | Cost per 1K tokens |
|---|---|---|
| Input | $0.20 | $0.000200 |
| Output | $1.50 | $0.001500 |
Leaderboard Categories
External Resources
Frequently asked questions about xAI: Grok Code Fast 1
How much does xAI: Grok Code Fast 1 cost?
xAI: Grok Code Fast 1 costs $0.20 per million input tokens and $1.50 per million output tokens.
What is the context window of xAI: Grok Code Fast 1?
xAI: Grok Code Fast 1 has a context window of 256,000 tokens (256K).
What can xAI: Grok Code Fast 1 do?
xAI: Grok Code Fast 1 supports tool use and function calling.
Who created xAI: Grok Code Fast 1?
xAI: Grok Code Fast 1 is developed by xAI and was released on August 26, 2025.
