Name: GPT-5 Codex
Author: OpenAI

Question 1

When was GPT-5 Codex released?

Accepted Answer

GPT-5 Codex was released on September 15, 2025 by OpenAI.

Question 2

Who created GPT-5 Codex?

Accepted Answer

GPT-5 Codex was created by OpenAI.

Question 3

What is the license for GPT-5 Codex?

Accepted Answer

GPT-5 Codex is released under the Proprietary license.

Question 4

What is the knowledge cutoff date for GPT-5 Codex?

Accepted Answer

GPT-5 Codex has a knowledge cutoff of September 2024. This means the model was trained on data up to this date and may not have information about events after this time.