OpenAI Codex CLI rust-v0.153.1

OpenAI Codex CLI rust-v0.153.1 was released on .

Summary

OpenAI Codex CLI rust-v0.153.1 now lets you configure GPT-6-Astra through the API without affecting your default settings. This streamlined approach gives you more flexibility while keeping your workspace clean. Check the full changelog to see what else improved under the hood.

Release Context

  • This was the 86th OpenAI Codex CLI release of 2026 tracked by Havoptic.
  • It shipped 1 day after OpenAI Codex CLI rust-v0.153.0 (September 3, 2026).
  • OpenAI Codex CLI: ships every 1.6 days — 13 releases in the last month.

Why it matters: GPT-6-Astra now available via API configuration.

We will give one banked reset for every day you don't have access to Astra on your paid ChatGPT plan, starting today. Team is moving mountains to give access as fast as we can. First one will land… — Tibo

Shipped around the same time

Within 3 days of this release, other AI coding tools also shipped:

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Release Notes

New Features - Added support for configuring GPT-6-Astra through the API without changing the default model or showing it in the model picker. (42605) Changelog Full Changelog: https://github.com/openai/codex/compare/rust-v0.153.0...rust-v0.153.1 - 42605 Backport GPT-6-Astra model catalog to 0.153 @anp-oai

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