# clm_7B25253F8DC7

subject: Grok 4 (/record/grok-4.md)  
predicate: context_window  
value: 256,000  
valid_from: 2025-07-09  
valid_to: null  
published: 2025-07-09  
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  

> The Grok 4 API empowers developers with frontier-level multimodal understanding, a 256,000 context window, and advanced reasoning capabilities to tackle complex tasks across text and vision.

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

## Sources

- https://x.ai/news/grok-4 (primary, xAI, published 2025-07-09)

---

AsOf is a temporal fact ledger: a structured, dated, sourced record of what is true and what changed, built for AI retrieval.
