Original sourceKing of Computer Media
Summary
OpenAI released GPT-6 Astra on September 3, touting greater intelligence and instruction-following, with improvements in coding, scientific reasoning, and cybersecurity. On September 11, OpenAI advised developers to revisit agent configurations, including Skills, AGENTS.md, and task prompts, to avo…
Key points
- This gives teams using Codex and related tools a directly applicable set of guidelines that can immediately reduce context waste and improve agent trigger accuracy.
- As models get stronger, how prompts and skills are written becomes a key variable in agent performance, rather than simply stacking more instructions.
- Developers should streamline AGENTS.md and skill descriptions and switch to indexed routing documents to cut context costs and improve task trigger hit rates.
- The article mentions GPT-6 Astra's September 3, 2026 release and the September 11 official guidance on Skills and AGENTS.md.
Editorial note
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