## 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