OpenAI introduced GPT-5.3-Codex, a new version of its coding model that will be accessible through a command‑line tool, IDE extension, web interface, and a macOS desktop app. While API access is not yet available, the company reports that the model outperforms its predecessors on benchmarks such as SWE‑Bench Pro and Terminal‑Bench 2.0. OpenAI also emphasizes that GPT-5.3-Codex was instrumental in creating itself, positioning the model as a broader software‑lifecycle assistant capable of debugging, deployment, documentation, and more, with mid‑task steering and frequent status updates. Leer más →