product · fact
GPT-5.3-Codex release date
As of November 4, 2026, the AsOf record says GPT-5.3-Codex was released on February 24, 2026 (as gpt-5.3-codex), from a primary source (developers.openai.com). The record holds 1 claim on GPT-5.3-Codex's release, 1 still open and 0 superseded, each dated and sourced; a replaced value is closed with an end date, never deleted.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-5.3-codex
Every dated value
| value | valid from | valid to | status | conf | sources | claim |
|---|---|---|---|---|---|---|
| gpt-5.3-codex | 2026-02-24 | valid | 1 source for release date gpt-5.3-codex | clm_55F8E9407504 |
Questions this record answers
- When was GPT-5.3-Codex released?