Back to News
Release2026-02-05
Introducing GPT-5.3-Codex
Source: OpenAI
GPT-5.3-Codex is a Codex-native agent that pairs frontier coding performance with general reasoning to support long-horizon, real-world technical work.
openaigptgpt-5
GPT-5.3-Codex is a Codex-native agent that pairs frontier coding performance with general reasoning to support long-horizon, real-world technical work.