model · fact
GPT-4 release date
GPT-4 in its family's lineage →
As of November 4, 2026, the AsOf record says GPT-4 was released on February 27, 2025 (as GPT-4.5), from a primary source (developers.openai.com). The record holds 1 claim on GPT-4's release, 1 still open and 0 superseded, each dated and sourced; a replaced value is closed with an end date, never deleted.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
- GPT-4.5
Every dated value
| value | valid from | valid to | status | conf | sources | claim |
|---|---|---|---|---|---|---|
| GPT-4.5 | 2025-02-27 | valid | 1 source for release date GPT-4.5 | clm_BBC2EB212A86 |
Questions this record answers
- When was GPT-4 released?