OpenAI's GPT-6 Astra prompting playbook: key points
A roundup of OpenAI's prompting guide for GPT-6 Astra: clean up outdated AGENTS.md rules, grant autonomy explicitly, keep skill descriptions short, stop repeating test requests, and set clear stop conditions.
OPENAI JUST RELEASED THE PROMPTING PLAYBOOK FOR GPT-6 ASTRA. And if you’re still prompting Astra like GPT-5, you’re leaving a lot on the table. Bookmark this before your next build. → Review your AGENTS.md - outdated rules can now work against Astra → Make autonomy explicit - Astra may pause unless you clearly tell it to continue → Keep skill descriptions short - lengthy descriptions make available tools harder to distinguish → Stop asking for tests repeatedly - Astra already handles testing, and extra instructions can trigger unnecessary runs → Set clear stop conditions - Astra needs an unambiguous definition of "done" Astra performs best when you stop micromanaging and let it take ownership. Read the full guide before writing your next prompt. GPT-6 Astra → Clean Instructions → Autonomous Execution → Production Output → Ship Faster
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