GPT-5.3-Codex System Card

Ignore

OpenAI Blog · 2026-02-05 00:00 UTC

Not analyzed yet

Eligible for automatic cleanup in 3 day(s) unless marked Must Read.

Content

GPT‑5.3-Codex is the most capable agentic coding model to date, combining the frontier coding performance of GPT‑5.2-Codex with the reasoning and professional knowledge capabilities of GPT‑5.2.

Open original article ↗

Your feedback

Keep this article

Protects it from automatic cleanup.