Name: GPT-5.3 Codex
Author: OpenAI

Question 1

When was GPT-5.3 Codex released?

Accepted Answer

GPT-5.3 Codex was released on February 5, 2026 by OpenAI.

Question 2

Who created GPT-5.3 Codex?

Accepted Answer

GPT-5.3 Codex was created by OpenAI.

Question 3

What is the license for GPT-5.3 Codex?

Accepted Answer

GPT-5.3 Codex is released under the Proprietary license.

Question 4

Is GPT-5.3 Codex multimodal?

Accepted Answer

Yes, GPT-5.3 Codex is a multimodal model that can process both text and images as input.