OpenAI has added a specific rule to the instruction set of its Codex coding agent that bars the model from mentioning goblins, gremlins, raccoons, trolls, ogres, pigeons or any other creature unless directly relevant. The clause, repeated several times in the Codex CLI, follows a wave of user reports that the latest GPT‑5.5 model was whimsically referencing such entities while generating code. OpenAI did not comment on the change, but staff acknowledgment and a surge of meme‑filled posts suggest the company is quietly curbing the odd behavior amid growing competition in AI‑driven software development. Read more →