Why is GPT-5.4 Pro missing in Codex CLI?

The ChatGPT Pro plan description states that it includes access to GPT-5.4 Pro. However, GPT-5.4 Pro is not available in the model list in Codex CLI. Could you clarify whether this is the intended behavior, insufficient documentation, or something that will be supported in the future?

Looking at pricing, I think it is intended:

There is no mention of 5.4 Pro in Codex.

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