Grok 4 Model Card
The expression stating 'Last updated: August 20, 2025'. The card states only 'Last updated: August 20, 2025'; the file name carries the same date. No first publication date is stated.
- Issued by
- xAI
- Authors credited
- No authorship claim recorded yet. The source record lists xAI.
- Dates
- Published not established
- Revised 2025-08-20 issue evidence
The card states only 'Last updated: August 20, 2025'; the file name carries the same date. No first publication date is stated.
- Exact source
- Grok 4 Model Card xAI · publication date unknown · Retrieved for the candidate pack on 2026-10-28 (SHA-256 54068c0d9570d94dfc63c08247707b8c48045a79b5bbe865af709af95ee14415). PDF stating 'Last updated: August 20, 2025', served from data.x.ai on 2026-10-28; that stated last update is the expression checked, and the card does not say what any update changed or when it was first published. The x.ai web page for the card returned HTTP 404. Retrieved again at admission on 2026-10-30 (SHA-256 54068c0d9570d94dfc63c08247707b8c48045a79b5bbe865af709af95ee14415, the same bytes).
Appears in
No collection holds a record about this document yet.
Versions
xai-grok-model-card: 1 recorded version, oldest first, published by xAI. A version is shown as replacing another only where a record says so. Date order alone never implies it.
- 2025-08-20 · revisedThe expression stating 'Last updated: August 20, 2025' (this version)
This version
Earliest version recorded here; no replacement is recorded.
Issue and authorship records
Documentary relations
Each relation is listed separately. Citing, crediting and reporting the use of a method are different acts, and none of them shows agreement or influence by itself.
Not recorded for this document: cites · cited by · explicitly credits · reports using a method from · method reported as used by · applies parts of · parts applied by · discusses · reports evaluation of. A missing record does not show that the relation does not exist.