product · fact
Grok 4 Fast release date
As of November 4, 2026, the AsOf record says Grok 4 Fast was released on September 19, 2025, from a primary source (x.ai). The record holds 1 claim on Grok 4 Fast's release, 1 still open and 0 superseded, each dated and sourced; a replaced value is closed with an end date, never deleted.
- current release date
- Grok 4 Fast
Every dated value
| value | valid from | valid to | status | conf | sources | claim |
|---|---|---|---|---|---|---|
| Grok 4 Fast | 2025-09-19 | valid | 1 source for release date Grok 4 Fast | clm_DFB0958C2D0F |
Questions this record answers
- When was Grok 4 Fast released?