AI BriefingOpenAI Reduces Codex Model's Context Size from 372k to 272k
·2026.07.19 16:54
Key point
OpenAI has lowered the context window size of the Codex model from the existing 372k to 272k.
Details
OpenAI has reduced the Context Size (context window) of the Codex model from the existing 372k to 272k.
This change was confirmed through a code change (Pull Request) on GitHub, meaning that the amount of tokens the model can process at once has decreased.
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