Grok Code Fast 1 is a fast, cost-efficient reasoning model optimized for agentic coding. It provides visible reasoning traces within responses, enabling developers to guide and refine workflows for higher-quality outcomes.
| Creator | xAI |
| Release Date | August, 2025 |
| License | Proprietary |
| Context Window | 256,000 |
| Image Input Support | No |
| Open Source (Weights) | No |
| Input Cost | $0.20/M tokens |
| Output Cost | $1.50/M tokens |
