Azure
Grok 4.1 Fast (Reasoning)
grok
Model ID grok-4-1-fast-reasoning
Provider Azure
Family grok
Status beta
Knowledge Cutoff -
Release Date 2025-06-27
Input Modalities text, image
Output Modalities text
Context Window 128000
Input Limit 128000
Output Limit 8192
Tool Calling Yes
Reasoning Yes
Structured Output -
Temperature Control Yes
Open Weights No
Input Cost / 1M tokens $0.20
Output Cost / 1M tokens $0.50
Reasoning Cost / 1M tokens -
Cache Read Cost / 1M tokens $0.05
Cache Write Cost / 1M tokens -