AI BriefingOpenAI reduces model context size from 372k to 272k in Codex 0.144 release
·2026.07.20 12:33
Key point
OpenAI backported a change reducing the model context size from 372k to 272k for the Codex 0.144 release.
Details
OpenAI updated the bundled model metadata for the Codex 0.144 release, backporting a change that reduces the model context size from 372k to 272k into the release/0.144 branch.
This change was made via PR #33972 on the agent/hotfix-0.144-model-metadata branch, and appears to be a measure to reflect the fix in the Codex 0.144 release.
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