# clm_13B91C07A63A

subject: Grok 4.1 Fast (/record/grok-4-1-fast.md)  
predicate: model_release  
value: Grok 4.1 Fast  
valid_from: 2025-11-19  
valid_to: null  
published: 2025-11-19  
recorded: 2026-11-04  
confidence: 0.95  
status: valid  
assertable: true  
superseded_by: null  
last_updated: 2026-11-04  
checked: 2026-11-04 · its source page states the value and the date  

> Nov 19, 2025 Grok 4.1 Fast and Agent Tools API

What https://x.ai/news/grok-4-1-fast says, word for word.

## Sources

- https://x.ai/news/grok-4-1-fast (primary, xAI, published 2025-11-19)

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