OpenAI teases “5.4” as reports point to a 1M+ token context window and “extreme reasoning,” amid scrutiny over its Pentagon deal.
Error logs and GitHub pull requests hint at GPT-5.4 quietly rolling out in Codex, signaling faster iteration cycles and continuous AI model deployment.
Explore 5 useful Codex features in ChatGPT 5.4 that help with coding tasks, project understanding, debugging, and managing ...
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