OpenAI ships GPT-6 Astra with model guidance doc, urging devs to audit AGENTS.md and skill files

jxnlco · x · 2026-09-05

OpenAI released GPT-6 Astra alongside a new Model guidance document, noting that model behavior shifts mean developers should re-audit their AGENTS.md and SKILL files. Developer Bradley Bernard suggests pointing Codex at the guidance doc and letting it sweep your repo to tune agent configs for Astra's performance.

Related event: OpenAI Launches GPT-6 Astra, a General Computer-Use Agent(15 posts)→

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