OpenAI rolls out official model guidance and prompting best practices docs

OpenAI has launched a new "Model guidance" documentation page covering official model guidance and prompting best practices across Responses API, Agents SDK, reasoning models, fine-tuning and multi-agent orchestration, including tips tailored to the newly released GPT-6 Astra.

2026-09-05 ~ 2026-09-05 · 2 related posts

• OpenAI ships official model guidance and prompting best-practices docs with Markdown output — soumitrashukla9 · 2026-09-05
• OpenAI publishes GPT-6 Astra model guide with prompting best practices — gabrielchua · 2026-09-05