AsOf

product · fact

GPT-5-Codex release date

As of November 4, 2026, the AsOf record says GPT-5-Codex was released on September 23, 2025 (as gpt-5-codex), from a primary source (developers.openai.com). The record holds 1 claim on GPT-5-Codex's release, 1 still open and 0 superseded, each dated and sourced; a replaced value is closed with an end date, never deleted.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-codex2025-09-23 · 1 source

Every dated value

1 claims · oldest first · superseded claims stay visible
valuevalid fromstatus
gpt-5-codex
to present · conf 0.95 · 1 src for release date gpt-5-codex
2025-09-23valid

Questions this record answers

When was GPT-5-Codex released?
On September 23, 2025 (as gpt-5-codex), from a primary source (developers.openai.com) (status valid, confidence 0.95).

Answered from the rows above only, as of November 4, 2026. The record has no opinions.

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