Codex Astra adds cross-context note persistence to fight context bloat in long tasks

dair_ai · x · 2026-09-06

OpenAI's Codex is introducing a new way for the Astra model to preserve and retrieve context: when the context window fills up, Astra can keep notes across context windows, accumulating details without repeatedly compressing everything into a single summary.

dair-ai's Omar Sansevero recommends the feature, noting that context bloat and compaction are bottlenecks even for the most powerful models like GPT-6 Astra, and that this config helps keep Astra persistent across long-running tasks. Enabling instructions included.

Related event: OpenAI's Codex Astra Adds Cross-Window Note-Taking to Tame Context Bloat(2 posts)→

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