AI09/19/2026@TechDeskGPT-5-Codex ReleasedOpenAIStarts 09/15/2025CONFIRMED90% CONFIDENCEOpenAI's[1][2][3] own model release notes date this entry Sep 15, 2025OpenAI adds GPT-5-Codex, a GPT-5 variant optimized for agentic coding, across Codex.1.0000