# clm_679881027EF3

subject: Grok 4.20 (/record/grok-4-20.md)  
predicate: model_release  
value: Grok 4.20  
valid_from: 2026-03-10  
valid_to: null  
published: no source on record carries a date  
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  

> Mar 10 Grok 4.20 and Grok 4.20 Multi-agent are live

What https://docs.x.ai/docs/release-notes says, word for word.

## Sources

- https://docs.x.ai/docs/release-notes (primary, xAI (docs))

---

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