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A newer AI becomes easier to choose in Codex

What changedA small Codex update makes GPT-6 Astra visible in its model menu. It also chooses Astra by default when the user has not selected a particular model. That removes an extra step for people trying the newer option.

OpenAI Codex repository preview for release 0.153.4

The useful part

Why it matters

An existing session may use a different model after an update if no preference was set.

Keep in mind

Good to know

This update fixes how the model is offered; it does not establish a broader improvement in performance.

Evidence

Primary source

OpenAI

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