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openai_codex_releases · Sep 4, 2026 · release
Source brief
codex 0.153.3
github.comSep 4, 2026
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Release highlights
- Added GPT-6-Astra to the Amazon Bedrock model picker for Mantle and Runtime global/US routes
- Corrected GPT-6-Astra’s guidance for asynchronous clarification questions to use the supported tool and recognize that it accepts text only
- #42805 [0.153 hotfix] Add GPT-6-Astra to Amazon Bedrock catalogs @celia-oai
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