xAI
Grok 3 Fast
grok
Model ID grok-3-fast
Provider xAI
Family grok
Status -
Knowledge Cutoff 2024-11
Release Date 2025-02-17
Input Modalities text
Output Modalities text
Context Window 131072
Input Limit -
Output Limit 8192
Tool Calling Yes
Reasoning No
Structured Output -
Temperature Control Yes
Open Weights No
Input Cost / 1M tokens $5.00
Output Cost / 1M tokens $25.00
Reasoning Cost / 1M tokens -
Cache Read Cost / 1M tokens $1.25
Cache Write Cost / 1M tokens -