Model release: GPT-5.3-Codex & GPT-5.2

Model release Provisional 50% confidence first seen 5 February 2026, 00:00

Type: Model release
Status: Provisional
First seen: 5 February 2026, 00:00
Latest source: 5 February 2026, 00:00
Sources: 2

GPT-5.3-Codex GPT-5.2 GPT-5.2-Codex OpenAI

Source coverage

5 Feb, 00:00 Model release: OpenAI & GPT-5.3-Codex OpenAI official 5 Feb, 00:00 Model release: OpenAI & GPT-5.3-Codex OpenAI official