GPT-5.4 says it's GPT-5 in Codex

A Reddit user reported that a model identifying itself as GPT-5.4 claimed it was actually GPT-5 in the Codex system. The revelation suggests a potential mislabeling or versioning discrepancy in OpenAI's model lineup. This matters because it raises questions about the accuracy of model identifiers and the transparency of AI system updates.

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