xAI: Grok Code Fast 1
by x-ai
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...
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Benchmarking xAI: Grok Code Fast 1
Coding Performance
Coding benchmarks and performance metrics for development tasks
Coding Benchmarks
| Benchmark | Score |
|---|---|
| AA Coding Index | 23.7% |
| LiveCodeBench | 65.7% |
| SciCode | 36.2% |
| TerminalBench Hard | 17.4% |
| LCR | 48.3% |
| IFBench | 41.4% |
Speed & Efficiency
| Metric | Value |
|---|---|
| Output Speed | 59 tok/s |
Performance metrics from Artificial Analysis
Real-World Usage
Real-world usage statistics from the Kilo Code community
Weekly Token Usage
Mode Rankings (Last Week)
Where this model ranks for each built-in mode
Code
Write, modify, and refactor code
Ask
Get answers and explanations
Debug
Diagnose and fix software issues
Orchestrator
Coordinate tasks across multiple modes
Real-world metrics from the Kilo Code Leaderboard
Pricing
Cost per 1 million tokens
Example Cost
Analyzing a 10,000 line codebase (≈40k input tokens, 10k output tokens) costs approximately $0.0230
Coding Capabilities
Features and parameters relevant to coding tasks
Coding Features
Pricing details from OpenRouter
Technical Details
Architecture and implementation specifications
- Model ID
- x-ai/grok-code-fast-1
- Artificial Analysis Slug
- grok-code-fast-1
- Created
- August 26, 2025
- Tokenizer
- Grok
- Input Modalities
- text
- Context Window
- 256,000 tokens
- Max Completion Tokens
- 10,000 tokens
- Input Price
- $0.20 per 1M tokens
- Output Price
- $1.50 per 1M tokens
- Cache Read Price
- $0.02 per 1M tokens
- Content Moderation
- Disabled
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