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Grok 4.1 Fast (Reasoning)

grok

xAI's fast agentic tool-calling model with a 2M context window and built-in reasoning

Family
grok
Providers
3
Context
2,000,000
Output
30,000
Knowledge
-
Weights
Closed
Input
textimage
Output
text
Release date
2025-11-19
Updated
2025-11-19

Providers

Source: models.dev