HomeopenaiThe AI That Built Itself: Inside GPT-5.3-Codex and OpenAI's Cybersecurity GambleOpenAI's GPT-5.3-Codex achieves 77.3% on Terminal-Bench while building itself—the first AI to debug its own training. But unprecedented ...Aman Kumar·Follow14 min read·Feb 7, 2026500Written byAman KumarFollowSharing stories and insights on StoryNest.Connect with AmanFollow50Loading discussion...