OpenAI's rival to Claude Code has a very strict command line for AI agents: Never talk about

OpenAI's AI Agent, Codex, has been restricted from mentioning mythical creatures like goblins due to an unintended training ...
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OpenAI Finally Explains Why ChatGPT Wouldn't Stop Talking About Goblins

Why did OpenAI have to write "never mention goblins" into its production code on ChatGPT? The company has published a ...