GPT-6 Astra's experimental context management allows higher token limits, but exceeding 272k incurs extra charges

brandon_galang · x · 2026-09-08

A tweet about GPT-6 Astra suggests enabling an experimental context management setting and adjusting Codex's max token limit upward, as Astra is trained to use a different form of context management that leaves notes for itself. However, the author later corrects: context windows above 272k will incur higher charges, and recommends against doing this.

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